查询词典 pm

However, the high PM and NOX emissions slow down the development of diesel engines.

但是，较高的PM和NOX排放成为限制柴油机发展的主要障碍。

However, the high NOx and PM emissions slow down the development of diesel engines.

但是，较高的NOx和PM排放成为限制柴油机发展的主要障碍。

An input phase voltage is divided into a main range and a transition range in which new P, M, N conditions and PM, NP, MN transition conditions are defined, some null vector is selected and the condition combination sequence of bidirectional power switches are adjusted in each modulation period to realize the safe, reliable and rapid commutation and the stable operation of the matrix converter.

本发明属于矩阵变换器控制技术，为一种用于矩阵变换器的控制方法，通过把输入相电压划分为主区间和过渡区间、在过渡区间定义新的P、M、N状态和PM、NP、MN暂态以及在每个调制周期内选择特定的零矢量并调整双向功率开关状态组合顺序，实现矩阵变换器安全、可靠、快速换流和稳定运行。

The pathological study showed diffuse muscle fiber atrophy predominating in PM and perimysium atrophy in DM.

PM的病理改变主要表现为散在肌纤维萎缩；DM以束周萎缩多见。

She calls people like her 'pm-people', coming from post meridian.

她把自己和与她同样的人称为「pm people」。

In the second section, we extend the conception of right pm-injecitve from ring to module and obtain the notion of right qpm-injective module.

第二部分把右pm-内射概念从环推移到模上，引入右qpm-内射模的概念。

Then, the effect of PM filter was evaluated by comparing the root mean square error of the standard FA maps and the processed FA maps.

通过比较标准FA图与处理后FA图间的均方根误差，评价PM滤波的效果。

I bought my plane ticket, I will arrive in Shanghai, Sep 2 around 9 pm.

我买了我的飞机票，我将到达在上海， pm 9月2 日大约9 日。

TimeCard Tabulator II uses AM/PM or 24 hour formats, handles most forms of rounding and breaks and can be used in nearly all types of timecard math.

考勤Tabulator二使用的AM / PM或24小时格式，处理最形式的四舍五入和休息，可用于几乎所有类型的考勤数学。

1 Full set of calibration/PM records traceable to relevant calibration activity details .

完整的校正/PM记录能追溯到相关的校正活动详情。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。