... effective roughness || 有效粗糙度 effective section || 有效截面 effective sound pressure || 有效声压 ...
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effective stimulated emission cross section 有效受激发射截面
effective cross-section area 有效截面面积
effective depth of section 截面有效高度
effective cross section [物] 有效截面
effective reflection cross section 有效反射横剖面
Normally, it used effective section in designing.
设计中通常采用有效截面法。
If we get proper effective section, we can calculate total bearing capacity of members exactly.
因此只要有效截面取得正确公道，即可正确确定构件的整体承载能力。
The result of damage weaken component effective section of the tower and partial components lose bearing capacity and have reduced the reliability of the tower.
残损的结果是木塔构件有效截面削弱，部分构件丧失承载能力，降低了木塔的可靠性。
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