图示拱结构中 杆AB的轴力FNAB为 QQ 20180521020846 png
图示拱结构中 杆AB的轴力FNAB为 QQ 20180521020846 png
png的最优值是() A: -2 B: -6 C: -45/4 D: -7
png的最优值是() A: -2 B: -6 C: -45/4 D: -7
脱式计算.4.67-(2.9f+0.67)73.f×06-73.f×6(45+04)÷73,+00004×75+34×75.
脱式计算.4.67-(2.9f+0.67)73.f×06-73.f×6(45+04)÷73,+00004×75+34×75.
若a=3∠,b=6∠,则ab=________,ab=_______(用复数的极.../ananas/latex/p/4106
若a=3∠,b=6∠,则ab=________,ab=_______(用复数的极.../ananas/latex/p/4106
a=9,b=6,执行x=ab的值后
a=9,b=6,执行x=ab的值后
Y,d11接线的变压器,一次电压与二次电压的相位关系是()。 A: 相位相同 B: 一次AB相间电压超前二次ab相间电压π/6 C: 二次ab相间电压超前一次AB相间电压π/6 D: 相位相反
Y,d11接线的变压器,一次电压与二次电压的相位关系是()。 A: 相位相同 B: 一次AB相间电压超前二次ab相间电压π/6 C: 二次ab相间电压超前一次AB相间电压π/6 D: 相位相反
两个非零整数a,b,满足ab=a+b,则2a-b=() A: 4 B: 6 C: 6 D: -2
两个非零整数a,b,满足ab=a+b,则2a-b=() A: 4 B: 6 C: 6 D: -2
执行下列程序段后a和b的值为 class AB{ int a , b ; public void init(int x){ a = x ; int b = 5 ; } public void display(){ System.out.println("a = "+a+" b = "+b); } } public class ABTest{ public static void main(String[] args){ AB ab = new AB(); ab.init(6); ab.display() ; } } A: a = 5 b = 5 B: a = 0 b = 0 C: a = 6 b = 5 D: a = 6 b = 0
执行下列程序段后a和b的值为 class AB{ int a , b ; public void init(int x){ a = x ; int b = 5 ; } public void display(){ System.out.println("a = "+a+" b = "+b); } } public class ABTest{ public static void main(String[] args){ AB ab = new AB(); ab.init(6); ab.display() ; } } A: a = 5 b = 5 B: a = 0 b = 0 C: a = 6 b = 5 D: a = 6 b = 0
(73)O=B
(73)O=B
_____entered into force in1983. A: A revised version of Annex I of MARPOL 73/78 B: A revised version of Annex II of MARPOL 73/78 C: A revised versions of Annex I and Annex II of MARPOL 73/78 D: MARPOL 73/78
_____entered into force in1983. A: A revised version of Annex I of MARPOL 73/78 B: A revised version of Annex II of MARPOL 73/78 C: A revised versions of Annex I and Annex II of MARPOL 73/78 D: MARPOL 73/78