effective cross-section area 有效截面面积
effective cross section [物] 有效截面
effective stimulated emission cross section 有效受激发射截面
effective reflection cross section 有效反射横剖面
effective absorption cross-section 有效吸收截面
effective differential cross section 有效微分截面
·2,447,543篇论文数据，部分数据来源于NoteExpress
Finally we heard from a broad cross-section of thinkers about the urgent need for more effective worker training.
WHITEHOUSE: President Obama Closes Forum on Jobs and Economic Growth
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