A: It describes the evolution in time of any quantum state.
B: It allows to calculate the time derivative of a wave function from its spatial-coordinate dependence at a fixed time.
C: If [img=15x24]1803bd5c93e1f87.png[/img] does not depend on time, its solution reads as [img=220x61]1803bd5c9df69ff.png[/img]
D: [img=80x44]1803bd5ca7409eb.png[/img] is satisfied, only if [img=15x24]1803bd5cafc8d0c.png[/img] does not depend on time.
举一反三
- Which of the following statement about time-dependent Schrödinger equation is not true? A: It describes the evolution in time of any quantum state. B: It takes the form: [img=84x44]1803bd52bb68940.png[/img]. C: It allows to calculate the time derivative of a wave function from its spatial-coordinate dependence at a fixed time. D: If [img=15x24]1803bd52c3a0abd.png[/img] does not depend on time, its solution reads as [img=244x49]1803bd52cec3dd5.png[/img] .
- The running time of an algorithm can be expressed as the following equation，So the running time(Big-O) is()[img=414x93]1803603dd12ce09.png[/img] A: [img=68x25]1803603ddabc9b8.png[/img] B: [img=46x27]1803603de275c38.png[/img] C: [img=58x28]1803603deb1edc4.png[/img] D: [img=79x25]1803603df323f53.png[/img]
- 设f(x)为连续函数，且 [img=217x49]18034a50d8b1b92.png[/img] 则[img=70x25]18034a50e196c62.png[/img] A: 5 B: 4 C: 0 D: -5
- Given a discrete time system block diagram[img=495x165]1803a2f9b95475b.png[/img]determine its transpose structure. A: [img=394x194]1803a2f9c75e364.png[/img] B: [img=387x180]1803a2f9d557756.png[/img] C: [img=423x140]1803a2f9e41568d.png[/img] D: [img=402x148]1803a2f9f1ed61a.png[/img]
- Peter is going to talk about a typical workday. Listen and match each activity in the right column with its corresponding time in the left column.[音频][img=1391x908]17e0cf06d39388f.png[/img]
内容
- 0
已知单线激光雷达数据点（ρ, θ）=（10，30°），计算x、y： A: [img=118x28]18036c00fcf56fb.png[/img] B: [img=118x28]18036c010630126.png[/img] C: x= 5， y=5 D: x=10, y=5
- 1
Which of the following propositions is false,set A = {x,x is an integer and[img=60x23]1803a1c6eebb7a3.png[/img]} ? ( ) A: [img=113x25]1803a1c6f77ce06.png[/img] B: [img=139x25]1803a1c7001fe79.png[/img] C: [img=51x22]1803a1c70863f61.png[/img] D: {x|x is an integer and |x| 4}[img=33x22]1803a1c711a7c63.png[/img]
- 2
Which of the following propositions is false,set A = {x,x is an integer and [img=60x23]1803a1c503ffa04.png[/img]} ? ( ) A: [img=113x25]1803a1c50cc3162.png[/img] B: [img=139x25]1803a1c514e60ea.png[/img] C: [img=51x22]1803a1c51dd52ef.png[/img] D: {x|x is an integer and |x| <4} [img=33x22]1803a1c525cf1bd.png[/img]
- 3
设二维随机变量（X,Y）的联合概率密度为[img=433x109]17d609a6fbff1b1.png[/img]则[img=133x37]17d609a707b0d2a.png[/img]=()。 A: 3/20 B: 5/16 C: 5/24 D: 5/18
- 4
The 1930s and 1940s saw Qipao in its peak fashion and modifications. Western attributes influenced the dress. Which picture show Qipao’s feature at that time? A: [img=141x233]1803418abf97057.png[/img] B: [img=147x229]1803418acf3681e.png[/img] C: [img=127x229]1803418ae16f590.png[/img] D: [img=141x227]1803418af111e3b.png[/img]