It is recommended to be used after positive testing result for diamond.
特别为了辨别天然莫桑石而发明，建议在测试真钻石后用。
He was thrown out of the Olympic team after testing positive for drugs.
他在药检呈阳性后被逐出了奥林匹克运动队。
As with skin testing, positive tests do not necessarily make the diagnosis.
如同皮肤试验一样，阳性者不一定做出诊断。
The expenses for testing CAP pathogens were high while the positive rate was low.
CAP病原体检测费用高，而阳性率不高。
The expenses for testing CAP pathogens were high while the positive rate was low.
CAP病原体检测费用高，而阳性率不高。
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