In the following example we shall illustrate how this is done in the case when the two given vectors(矢量) are at right angles(相互垂直).
举一反三
- When we two things, we show how they are similar; when we two things, we show how they are different.
- When we compare two things, we show how they are different; when we contrast two things, we show how they are similar.
- When we compare two things, we show how they are similar; when we contrast two things, we show how they are different.
- When shall we take two times to brief the group?
- We ______ that the work shall be done in the right way. A: ensure B: encode C: enclose D: entitle