In the late 1970s, Ms. Maathai began the Green Belt movement to help poor women in rural communities meet their most basic needs.
70年代后期，马塔伊开始了“绿色地带运动”，帮助农村地区的贫困妇女满足最基本的需求。
And seat belt use, the most basic defense in a crash, reached an all-time high of 84 percent in 2009.
安全带的使用在2009年也达到了最高的84%的比例，这是汽车撞车最基本的保护。
To optimize the design of water cushion belt conveyor, the basic design parameters of it were studied.
为了进一步完善水垫带式输送机的设计，对其基本参数之间的关系进行了研究。
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