本文从工程应用实际出发，研究了时间最优控制系统的切换条件问题。
The paper provides a detailed study of switching conditions of minimum-time control systems based on application in engineering.
文章从含时薛定谔波动方程出发，结合物理问题中的实际条件，推导出了空间和时间增量必须满足的数值稳定性条件。
Based on Time-dependent Schroe dinger wave equation and physical problems, the stability conditions for the choice of increment parameters are deduced in this paper.
要尽量从野外实习的实际出发开展实习活动。文章另就微生物学野外实习的时间、安排、方式、内容和加强大型真菌教学人才培养等进行了探讨。
Besides, the time, arrangement, method and content of microbiology fieldwork, as well as the enhancement of cultivating talent of macroscopic fungi are discussed in the article.
要尽量从野外实习的实际出发开展实习活动。文章另就微生物学野外实习的时间、安排、方式、内容和加强大型真菌教学人才培养等进行了探讨。
Besides, the time, arrangement, method and content of microbiology fieldwork, as well as the enhancement of cultivating talent of macroscopic fungi are discussed in the article.
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