给家长的快速参考指南 1 最后更新日期: 9/25/2009 家校通（School Loop）是什么? 家校通是一个以网路为基础的工具，除了操作简易，还能加强家长、师生和行政人员之间的沟通和合作。
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School House Loop 街道地址
Roads loop through 600 oil Wells, blocks of apartments, a movie theater, a bakery, a school and a helipad.
在这座岛上，道路依此穿过600个油井、住宅区、电影院、面包房、学校和直升机停机坪。
Research suggests that happier people give more to charity, and that giving more makes people happier, creating a positive feedback loop, according to a 2009 paper from Harvard Business School.
2009年哈佛商学院的一篇论文说到，研究表明心情更愉悦的人会做更多的慈善，而给予更多则能让人们感到更开心，从而形成了积极的循环反馈。
Based on the continuous casting device in the laboratory of our school, the theory of robust control is applied to position loop system driven by hydraulic servo.
本课题针对我校实验室结晶器连铸装置，将鲁棒控制理论应用于液压驱动伺服位置环系统的研究开发。
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