To gather samples from the Giant Forest trees, the researchers were allowed to collect cross-sections of downed logs and standing dead trees, he said.
史威特南说，为了获取巨木林中树木的年轮样本，研究人员被允许可以收集倒下树木或枯立木的横截面。
The cross sectional transitions are smooth to avoid dead spaces and minimize pressure loss.
横截面的平滑转变避免了死空间，并且使压力损失达到最小。
You'd be pretty cross with me for scaring you, because you'd know that an inside "feeling" on its own is not a good reason for believing that a whippet is dead.
你会因为我惊吓了你而非常生气，因为你知道一个内心“感觉”本身不是相信一条惠比特犬死了的好理由。
The loading of a tubular busbar is equivalent to that of a large-span beam, and the stress on the cross -section is mainly the tensile stress of the dead weight bending moment with much deflection.
管型母线受力状况相当于大跨度的梁，截面上的应力主要是自重弯矩的拉应力，挠度比较大。
A calculation model and method of the cross slab in the box girder is obtained by the bridge 3D-analysis of the continuous concrete box girder under dead and live load.
为准确而全面地把握横隔梁的受力特性，结合具体算例，对箱梁横隔梁的受力特性进行了分析，指出了横梁常规计算方法的缺陷，并提出了一种新的计算模型。
A calculation model and method of the cross slab in the box girder is obtained by the bridge 3D-analysis of the continuous concrete box girder under dead and live load.
为准确而全面地把握横隔梁的受力特性，结合具体算例，对箱梁横隔梁的受力特性进行了分析，指出了横梁常规计算方法的缺陷，并提出了一种新的计算模型。
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