Recently, great advances have been made in the identification, mapping, cloning and action mechanism of heading date genes, especial QTL in rice.
近年来，在水稻抽穗期基因的发掘、定位、克隆及作用机制等方面，特别是QTL研究方面取得较大进展。
In China penal law, action aim of hijacking aircraft is mostly civil aircraft, and national aircraft in especial condition.
在我国刑法中，劫持航空器罪的行为对象主要是民用航空器，但也不排除特定条件下的国家航空器。
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