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- unit step current 单位阶跃电流
- The actual practice is to divide accounting unit step by step until individual wells and then to subdivide them. 研究了油田生产中成本控制问题,将成本的核算单位详细划分到单井,并将其细化分解。
- According to the crown growth characteristics in industrial Eucalyptus stand of short rotation, the unit step function model was put forward for the process with changing point of short rotation Eucalyptus clones U6 based on the survey practical stands. 摘要针对短轮伐期桉树人工林林分冠幅生长的特点，在现实林分调查的基础上，模拟提出了适合有变点的短轮伐期桉树U6无性系林分冠幅生长阶跃函数模型。
- The comparison with the recent experiment carried out by Chaplin et al on a vertical(tension) riser in stepped current shows the validity of the proposed model. 与近期阶梯状来流作用下立管涡激振动实验结果的比较显示;本文模型是有效的.
- When I suggested earlier that combined armies be organized,I meant combining the different units step by step so that,through peace-time training,our men can acquire such knowledge and skills. 刚才我说要编组合成军，就是要逐步地把部队合成起来，通过平时训练，使大家熟悉这方面的知识，学会这方面的本领。
- Sir Alex Ferguson may have his hands full as Manchester United step up their pursuit of an unprecedented second treble, but the manager is already planning enthusiastically for next season. 弗格森爵士现在已定在全力以赴他们史无前例的第二个三冠王，但是球队已经为下赛季准备了。
- On the Teaching of the Fourier Transform of Unit Step Function 关于单位阶跃函数的傅立叶变换的教学
- The luminous intensity on unit area. 单位面积上的发光强度。
- When I suggested earlier that combined armies be organized, I meant combining the different units step by step so that, through peace-time training, our men can acquire such knowledge and skills. 刚才我说要编组合成军，就是要逐步地把部队合成起来，通过平时训练，使大家熟悉这方面的知识，学会这方面的本领。
- The current is the charge flow per unit time. 电流是每单位时间流动的电荷。
- The family is the smallest social unit. 家庭是社会最小的单位。
- Pressure is force per unit area. 压力就是电单位面积上的力。
- A set of data elements which are handled as a unit. 作为一个单元来处理的一组数据元素。
- The family is the basic unit of society. 家庭是社会的基本单位。
- A metric unit of area equal to 10 ares. 十公亩面积的公制单位之一，等于十公亩。
- A metric unit of mass equal to 100 grams. 百克公制质量单位，等于100克。
- A unit of power equal to 1,000 watts. 千瓦功率的单位，等于1,000瓦。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- The Controlling Gain of the Nonlinear Step Current in Connection with the Step Motor and Its Application 步进电机非线性阶梯电流控制细分及其应用
- A unit of currency in Chile, Panama, and Uruguay. 分智利、巴拿马和乌拉圭的货币单位
