Beam string structures are a new type of space structure, which composed of strings, struts and moment-resistant elements such as beams and, arches.

张弦梁结构是由弦、撑杆和抗弯受压构件组合而成的新型结构体系，是通过在弦中施加预应力来改善抗弯受压构件受力性能的自平衡体系。

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From that moment, Lesotho treated drug-resistant TB as an emergency. It created a national plan of action, and from the start sought outside experts.

从那时起，莱索托把治疗耐药性结核病视为当务之急，制定了一个全国行动计划，并从一开始就寻求外部专家的帮助。

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Experimemtal result shows that the metering valve has small weight and low resistant moment , and can meet the required flow characteristic.

试验结果表明： 燃油计量阀门阻力矩小、重量轻， 流量特性基本满足设计要求；

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