308f305f3057306e304b305e304f306f304d308730463068306b3059309330673044307e3059。304b305e304f306f父、母、3042306d、304a306830463068、304a3070304230553093、305d30573066308f305f3057306e六人30673059。304a3058304430553093306f八年307e3048306b306a304f306a308a307e3057305f。30613061306f30793093305430573067、母306f小学30533046306e305b3093305b304430673059。3042306d306f二年307e3048306b大学3092305d3064304e3087304630573066、今、30683046304d30873046306e304b3044305730833067306f305f3089304430663044307e3059。一人3067304b304430573083306e308a30873046306b3059309330673044307e3059。304a306830463068306f十七305530443067、308230463059305030533046305330463092305d3064304e308730463057307e3059。3044307e、大学3078306f3044308b305f3081306b30443063305730873046305130933081304430793093304d30873046305730663044307e3059。30573087304630893044304430573083306b306a308a305f304430683044306330663044307e3059。304a3070304230553093306f毎日30443048306730c630ec30d33092見305f308a、本3092308830933060308a305730663044307e3059。308f305f3057305f3061306f毎3070309330573087304f3058306e304230683044306330573087306b30c630ec30d33092307f305f308a、304a306130833092306e30933060308a3057306a304c30893044308d3044308d306f306a3057307e3059。日308830463073306b306f父306e車30673042305d3073306b行3063305f308a、30483044304c3092見306b行3063305f308a3059308b3053306830823042308a307e3059。3068304d3069304d30573093305b3064306e人30843068308230603061304c3042305d3073306b来307e3059。306a306430843059307f306b306f307f3093306a3067308a3087305330463057307e3059。308f305f3057305f3061306f毎日305f306e3057304430673059。304a306d304830553093306f304d308730463068306b3059309330673044307e3059304b。()
308f305f3057306e304b305e304f306f304d308730463068306b3059309330673044307e3059。304b305e304f306f父、母、3042306d、304a306830463068、304a3070304230553093、305d30573066308f305f3057306e六人30673059。304a3058304430553093306f八年307e3048306b306a304f306a308a307e3057305f。30613061306f30793093305430573067、母306f小学30533046306e305b3093305b304430673059。3042306d306f二年307e3048306b大学3092305d3064304e3087304630573066、今、30683046304d30873046306e304b3044305730833067306f305f3089304430663044307e3059。一人3067304b304430573083306e308a30873046306b3059309330673044307e3059。304a306830463068306f十七305530443067、308230463059305030533046305330463092305d3064304e308730463057307e3059。3044307e、大学3078306f3044308b305f3081306b30443063305730873046305130933081304430793093304d30873046305730663044307e3059。30573087304630893044304430573083306b306a308a305f304430683044306330663044307e3059。304a3070304230553093306f毎日30443048306730c630ec30d33092見305f308a、本3092308830933060308a305730663044307e3059。308f305f3057305f3061306f毎3070309330573087304f3058306e304230683044306330573087306b30c630ec30d33092307f305f308a、304a306130833092306e30933060308a3057306a304c30893044308d3044308d306f306a3057307e3059。日308830463073306b306f父306e車30673042305d3073306b行3063305f308a、30483044304c3092見306b行3063305f308a3059308b3053306830823042308a307e3059。3068304d3069304d30573093305b3064306e人30843068308230603061304c3042305d3073306b来307e3059。306a306430843059307f306b306f307f3093306a3067308a3087305330463057307e3059。308f305f3057305f3061306f毎日305f306e3057304430673059。304a306d304830553093306f304d308730463068306b3059309330673044307e3059304b。()
308f305f3057306e304b305e304f306f304d308730463068306b3059309330673044307e3059。304b305e304f306f父、母、3042306d、304a306830463068、304a3070304230553093、305d30573066308f305f3057306e六人30673059。304a3058304430553093306f八年307e3048306b306a304f306a308a307e3057305f。30613061306f30793093305430573067、母306f小学30533046306e305b3093305b304430673059。3042306d306f二年307e3048306b大学3092305d3064304e3087304630573066、今、30683046304d30873046306e304b3044305730833067306f305f3089304430663044307e3059。一人3067304b304430573083306e308a30873046306b3059309330673044307e3059。304a306830463068306f十七305530443067、308230463059305030533046305330463092305d3064304e308730463057307e3059。3044307e、大学3078306f3044308b305f3081306b30443063305730873046305130933081304430793093304d30873046305730663044307e3059。30573087304630893044304430573083306b306a308a305f304430683044306330663044307e3059。304a3070304230553093306f毎日30443048306730c630ec30d33092見305f308a、本3092308830933060308a305730663044307e3059。308f305f3057305f3061306f毎3070309330573087304f3058306e304230683044306330573087306b30c630ec30d33092307f305f308a、304a306130833092306e30933060308a3057306a304c30893044308d3044308d306f306a3057307e3059。日308830463073306b306f父306e車30673042305d3073306b行3063305f308a、30483044304c3092見306b行3063305f308a3059308b3053306830823042308a307e3059。3068304d3069304d30573093305b3064306e人30843068308230603061304c3042305d3073306b来307e3059。306a306430843059307f306b306f307f3093306a3067308a3087305330463057307e3059。308f305f3057305f3061306f毎日305f306e3057304430673059。3053306e30723068306e304b305e304f306f307f3093306a3067何人30673059304b。()
308f305f3057306e304b305e304f306f304d308730463068306b3059309330673044307e3059。304b305e304f306f父、母、3042306d、304a306830463068、304a3070304230553093、305d30573066308f305f3057306e六人30673059。304a3058304430553093306f八年307e3048306b306a304f306a308a307e3057305f。30613061306f30793093305430573067、母306f小学30533046306e305b3093305b304430673059。3042306d306f二年307e3048306b大学3092305d3064304e3087304630573066、今、30683046304d30873046306e304b3044305730833067306f305f3089304430663044307e3059。一人3067304b304430573083306e308a30873046306b3059309330673044307e3059。304a306830463068306f十七305530443067、308230463059305030533046305330463092305d3064304e308730463057307e3059。3044307e、大学3078306f3044308b305f3081306b30443063305730873046305130933081304430793093304d30873046305730663044307e3059。30573087304630893044304430573083306b306a308a305f304430683044306330663044307e3059。304a3070304230553093306f毎日30443048306730c630ec30d33092見305f308a、本3092308830933060308a305730663044307e3059。308f305f3057305f3061306f毎3070309330573087304f3058306e304230683044306330573087306b30c630ec30d33092307f305f308a、304a306130833092306e30933060308a3057306a304c30893044308d3044308d306f306a3057307e3059。日308830463073306b306f父306e車30673042305d3073306b行3063305f308a、30483044304c3092見306b行3063305f308a3059308b3053306830823042308a307e3059。3068304d3069304d30573093305b3064306e人30843068308230603061304c3042305d3073306b来307e3059。306a306430843059307f306b306f307f3093306a3067308a3087305330463057307e3059。308f305f3057305f3061306f毎日305f306e3057304430673059。3053306e30723068306e304b305e304f306f307f3093306a3067何人30673059304b。()
氢原子轨道的能级高低是 A: E(1s)<E(2s)<E(2p)<E(3s)<E(3p)<E(3d)<E(4s) B: E(1s)<E(2s)<E(2p)<E(3s)<E(3p)<E(4s)<E(3d) C: E(1s)<E(2s)=E(2p)<E(3s)=E(3p)<E(4s)<E(3d) D: E(1s)<E(2s)=E(2p)<E(3s)=E(3p)=E(3d)<E(4s)
氢原子轨道的能级高低是 A: E(1s)<E(2s)<E(2p)<E(3s)<E(3p)<E(3d)<E(4s) B: E(1s)<E(2s)<E(2p)<E(3s)<E(3p)<E(4s)<E(3d) C: E(1s)<E(2s)=E(2p)<E(3s)=E(3p)<E(4s)<E(3d) D: E(1s)<E(2s)=E(2p)<E(3s)=E(3p)=E(3d)<E(4s)
E→ E + E | E - E | E * E | E / E | ( E ) | i 下面的推导过程是句子i+i*i的规范推导的是: E=>E*E=>E*i=>E+E*i=>E+i*i=>i+i*i|E=>E*E=>E*i=>E+E*i=>i+E*i=>i+i*i|E=>E+E=>E+E*E=>E+E*i=>E+i*i=>i+i*i|E=>E+E=>E+E*E=>E+i*E=>E+i*i=>i+i*i
E→ E + E | E - E | E * E | E / E | ( E ) | i 下面的推导过程是句子i+i*i的规范推导的是: E=>E*E=>E*i=>E+E*i=>E+i*i=>i+i*i|E=>E*E=>E*i=>E+E*i=>i+E*i=>i+i*i|E=>E+E=>E+E*E=>E+E*i=>E+i*i=>i+i*i|E=>E+E=>E+E*E=>E+i*E=>E+i*i=>i+i*i
下列情况中,属于饱和状态的是( )。 A: E≠e B: E>e C: E=e D: E<e
下列情况中,属于饱和状态的是( )。 A: E≠e B: E>e C: E=e D: E<e
一维、二维、三维k空间中,能级密度Z(E)与能量E之间的关系分别对应满足( ) A: Z(E)=常数、Z(E)∝√E、Z(E)∝1/√E B: Z(E)∝√E、Z(E)=常数、Z(E)∝1/√E C: Z(E)∝√E、Z(E)∝1/√E、Z(E)=常数 D: Z(E)∝1/√Z(E)=常数、Z(E) ∝√E
一维、二维、三维k空间中,能级密度Z(E)与能量E之间的关系分别对应满足( ) A: Z(E)=常数、Z(E)∝√E、Z(E)∝1/√E B: Z(E)∝√E、Z(E)=常数、Z(E)∝1/√E C: Z(E)∝√E、Z(E)∝1/√E、Z(E)=常数 D: Z(E)∝1/√Z(E)=常数、Z(E) ∝√E
掺铒光纤放大器(EDFA)中Er A: E吸收>E激发+E自发 B: E自发>E吸收+E激发 C: E激发>E自发+E吸收 D: E自发<E吸收+E激发
掺铒光纤放大器(EDFA)中Er A: E吸收>E激发+E自发 B: E自发>E吸收+E激发 C: E激发>E自发+E吸收 D: E自发<E吸收+E激发
下列关于停留时间分布密度函数的描述,正确的是 。 A、E(φ)=E(τ) B、E(φ)=τE(τ) C、E(τ)=τE(φ) D、以上均不正确 A: E(φ)=τE(τ) B: E(φ)=E(τ) C: E(τ)=τE(φ) D: 以上均不正确
下列关于停留时间分布密度函数的描述,正确的是 。 A、E(φ)=E(τ) B、E(φ)=τE(τ) C、E(τ)=τE(φ) D、以上均不正确 A: E(φ)=τE(τ) B: E(φ)=E(τ) C: E(τ)=τE(φ) D: 以上均不正确
语句while(!e);中条件!e等价于( )。A:e==0 B:e!=1 C:e!=0 D:-e A: e==0 B: e!=1 C: e!=0 D: -e
语句while(!e);中条件!e等价于( )。A:e==0 B:e!=1 C:e!=0 D:-e A: e==0 B: e!=1 C: e!=0 D: -e
以下哪个文法存在二义性( ) A: E → E+T | TT → T*F | FF → (E) | i B: S → aSaS → bSbS → ε C: E → E + E E → E * E E → ( E ) E → i D: S → aSS → bSS → ε
以下哪个文法存在二义性( ) A: E → E+T | TT → T*F | FF → (E) | i B: S → aSaS → bSbS → ε C: E → E + E E → E * E E → ( E ) E → i D: S → aSS → bSS → ε