The basic magnesium chloride whisker that is synthesized in this experiment has the character of the low cost, the mild conditions and easy operation.
本研究开发的碱式氯化镁晶须具有原料廉价易得、合成条件温和以及操作简单的特点。
An experiment of simple telecommand application system is introduced in this paper. The basic thought of design, the compose of the system and the operation principle is described in detail.
介绍一种简易的实验遥控应用系统,并对其基本设计思想、系统组成和工作原理作了较为详细的介绍。
Experiment of basic education and entire operation come into action nationwide since the issue of mathematics curriculum criterion of nine-year compulsory education in 2001.
2001年《九年义务教育数学课程标准(实验稿)》公布之后,全国相继进入基础教育的实验和全面推行阶段。
Experiment of basic education and entire operation come into action nationwide since the issue of mathematics curriculum criterion of nine-year compulsory education in 2001.
2001年《九年义务教育数学课程标准(实验稿)》公布之后,全国相继进入基础教育的实验和全面推行阶段。
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