Over the year, her son's eighth grade class saved up money and worked on projects so that next week they could take a class trip to Washington, D. c.
过去一年，她儿子所在的八年级存下了一些钱，并制定了一个计划，下周，他们将参加班级旅行来到华盛顿特区。
The paper introduces the up-take property of ES range medium temperature type disperse dyes and their application to T/C uniform fabric with respect to the staining fastness of soaping.
简要介绍了ES系列中温型分散染料的上染性能和在生产工装面料中所具有的皂洗沾色牢度，该染料染色在生产中色差易于控制。
About the mechanism of adjusting crossbeam balance, the three-phase blend stepping motor take the place of the A. C. motors, the coder as a feedback device, then make up of a closed-loop system.
调平机构部分，用三相混合式步进电机替代原有的交流电机，位置反馈部分，用编码器替代高精度电位器，这样构成了一个半闭环系统。
Taking IF relationships and constraints as their study object, an IF theory probes IF's internal mechanism and take up an important position in modern information study. C.
信息流理论以信息流关系和制约关系为研究对象，研究信息流的内在机制，是现代信息研究的重要部分。
Taking IF relationships and constraints as their study object, an IF theory probes IF's internal mechanism and take up an important position in modern information study. C.
信息流理论以信息流关系和制约关系为研究对象，研究信息流的内在机制，是现代信息研究的重要部分。
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