direct current arc evaporation 直流电弧放电蒸发
The current lull in house sales is more of a hesitation on the part of buyers rather than a sudden evaporation of demand or burst of a bubble.
现在房产销售的低迷与其说是购房需求的突然消失或者是繁荣泡沫的破灭，不如说是购房者的犹豫不决。
The isotopic ratio of lithium was determined by cumulating intensity of ion current during evaporation of all samples on evaporation filament.
用热表面离子源测定了锂同位素丰度，在样品全耗尽过程中累计离子流强度。
And the gaps form an air current channel for communicating air vents, evaporation area can be effectively improved, and clothes drying efficiency can be improved.
这些空隙便构成了连通通气口和通气口的气流通道，可有效提高蒸发面积，提高衣物烘干效率。
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