这一理论的缺陷在于缺乏支持它的证据。
The flaw in this theory lies in the lack of proof to support it.
北约防空的最大缺陷就是缺乏能够辨认敌友的识别系统。
The most serious deficiency in NATO's air defence is the lack of an identification system to distinguish friend from foe.
管理人员可能遇到的一个潜在缺陷是CVS内缺乏文件锁定功能。
One potential drawback that management can point to is the lack of file locking within CVS.
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