有效道 valid trace
无效道 non valid trace
隧道效应 [电子] tunnel effect ; tunneling ; [电子] tunneling effect ; Quantum Tunnelling
沟道效应 channelizing ; [电子] channeling ; [电子] [核] channeling effect ; [电子] [核] channel effect
清理呼吸道无效 Ineffective Airway Clearance
隧道混响效果 Tunnel reverb
沟道场效应管 JFETPP ; JFETNN ; JFET ; channel fet
低频效果声道 LFE ; low frequency effects
沟道场效应晶体管 slot field-effect transistor ; p channel fet ; nfet ; pfet
这一需求，与2009年2月生效的刺激计划一道，或许能够解释始于2009年第三季度的GDP增长及现在的走弱。
This need may explain, along with the stimulus program enacted in February 2009, the growth in GDP that began in the third quarter of 2009 and seems now to be fading.
目的调查经人工气道进行机械辅助通气病人使用人工鼻的性能效价比。
Objective To investigate the ratio between effects and values of artificial noses on ventilated patients with artificial airway.
我们的双益生元配方设计是比以前的效性更长，更完整，在消化道内活跃更久。
Our dual prebiotic blend is designed to work longer in the digestive tract for more complete support compared to our previous formula.
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