其中低匹配接头的界面蠕变损伤程度较轻，界面失效倾向低于中匹配和高匹配接头。
However, the interfacial failure tendency of low match welded joint is less man those of medium and high match welded joint.
目的评价变温水毯在中低温心脏不停跳及室颤性停搏下心内直视手术后应用的效果。
Objective to evaluate the effect of temperature changeable water blanket after direct guided heart operation under heartbeat and ventricular heartbeat stop.
中低所得者不可单独选择变额年金或定额年金，因为流动性差。
Low- and middle-income retirements did not select variable annuities or fixed annuities only because their low liquidity.
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