正净,京剧行当之一。正净的表演特点,一般是以唱工为主,所以又叫唱工花脸。
京剧中的净分为正净、副净和武净。
In Peking Opera jing includes the categories of leading, assisting and military jing.
正净现值标准—这个标准要求收益限制比任何已经投产的项目成本的现值大。
Positive net present value criterion — This criterion requires the present value of benefit to be larger than the present value of costs for any project that is to be undertaken.
我一走出帐篷,就把别林斯基夫人给我算卦的事忘得一干二净了,因为我的妻子正匆匆向我跑来。
As soon as I went outside, I forgot all about Madam Bellinsky because my wife hurried towards me.
And there is this separation which is a balance of attractive forces because the chloride is net negative and the sodium is net positive, but both of them, regardless of net charge, have electrons.
这里有一个平衡,引力的平衡,由于氯离子带有负的净电荷,钠离子带有正的净电荷,但是它们两个,没有考虑净电荷,电子。
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