Let's call it q. P is the point that coordinates x, y, h.

就叫它q, p的坐标是。

youdao

We want to know whether a given vector field with components P, Q and R can be written as f sub x, f sub y and f sub z for a same function f.

要看向量场,能否写成，其中f是同一个函数。

youdao

Zhang, Q. Y. (2014). The mechanism of emotional contagion and its modulation model: A teaching-activities-oriented research (Unpublished doctorial dissertation). Shanghai Normal University.

张奇勇。 （2014）。 情绪感染的发生机制及其调节模型——以教学活动为取向（博士学位论文）。 上海师范大学。

youdao