工程结构构件在正常使用载荷作用下，根据结构的正常使用承载力极限状态的要求，必须满足力的平衡条件，即构件不发生失稳现象。
According to requirements of the structural serviceability limit state, the members in structure must be satisfied the equilibrium in practice to avoid instability.
航天飞机能把远高于现在使用的火箭的载荷送上轨道，并且可以把重物件运返地面。
The shuttles can carry a far greater load into orbit than any other rockets now in use, and can also bring heavy items back to the ground.
如果使用常规规范化，载荷将包括原始消息祖先元素的上下文，以及所有的名字空间声明和xmlns名称空间中的属性。
If normal canonicalization is used, the payload will include the context of its original message's ancestor elements, and all namespace declarations and attributes in the XMLNS namespace.
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