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种蝇可以钻入植物的幼根、嫩茎为害。

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The clubs and theaters may present very rich local culture.

粉剂药物的含量规格或稀释比例宜与药物临床给药的剂量或浓度相适应。

Decide whether the following statement is true or false according to the minutes （2.18 Board Meeting Minutes). Mr. Fisher presented the Treasurer’s Report, which was then unanimously approved.

实际电压源可看成是由与电阻构成的。