Acoustical characteristics and measurement methods for the sound reinforcement system in ballroom 歌舞厅扩声系统的声学特性指标与测量方法
Two key physical characteristics indexes of farmland sediment for check dams in loess plateau 黄土高原淤地坝坝地淤积物两个重要物理特性指标研究
Electro - hydraulic servo valve test is of very importance in scientific research and engineering 电液伺服阀静、动态特性指标的测试在科学研究和工程实践中,有着极为重要的意义。
In this report , the composition of amino acid , oil and its physical and chemical characters in mulberry seeds were determined and analyzed 摘要测定了桑籽中氨基酸的组成和桑籽油脂肪酸的组分及理化特性指标。
Finally , main influencing factors of dynamic characteristic are determined by analyzing some indexes of its dynamic characteristic 通过对水压比例节流阀的一些动态特性指标进行分析,确定了影响水压比例节流阀动态特性的主要因素。