1) negative power
负功率
1.
With the help of the case study, the author points out that different testing instruments may influence the accu racy of the input power for the electric motor of the pumping unit when the negative power exists The author also gives some suggestions for the power balance testing in the oil field.
分析了抽油机电机负功率的成因，通过实例说明了有负功率时不同的测量仪器对抽油机电机输入功率测量精度的影响，并提出了一些对策，对油田电能平衡测试工作具有一定的指导意义。
2) negative work
负功
3) negative function
负功能
1.
Watching out for the zero and negative function of physics experiment education;
警惕物理实验教育的零功能和负功能
2.
Environmental collision's negative function lies in the fact that:it destroys natural environment and resource; and it leads to intense and antagonistic social contradiction between us.
环境冲突的负功能表现在:对自然环境和资源的破坏性后果;造成环境主体关系的紧张、对抗,破坏和谐的社会关系,影响社会整体的协调发展。
3.
The negative functions of university journals are as follows: the limitations of the journal writers and readers,those of the accepted articles and those of journal characteristics and the economic benefits.
学报的负功能主要表现为:学报作者和读者的有限性;学报稿件采录范围的有限性;学报特色的有限性和学报经济效益的有限性。
4) ratios of positive and negative merit
正负功比
1.
These skills were used to account ratios of positive and negative merit and power of the colligate .
结果:训练后的患者所做的正负功比值和正负功率比值接近正常人状况的人数增多,原来不能完成第三和第四区测试的人,经过训练后能完成整个区域的测试。
5) Negative work function
负功函数
6) positive and negative function
正负功能
1.
If processing from the positive and negative function of science of media,hidden interviewed has both functions.
如从传播学的正负功能入手分析,隐性采访具有正负功能。
参考词条
补充资料：负负
1.犹言惭愧﹑惭愧;对不起﹑对不起。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。