以下为句子列表：
英文: Detailed studies were carried out using 00 insects in various temperatures. The weighed arithmatical mean of egg-laying stage was .-.7 days,nymphal stage was .7-0.7 days, and adult stage was .0- . days.
中文: 从00头个体中加权法算出在不同温度下的卵历期.—.7天,若虫期.7—0.7天,成虫历期变幅较大.0— . 天。
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英文: Examination for the expression of actin genes showed that BPH A can be found from the rd instar nymph,BPH D in nymphal stage only,and BPH B,C,E in all stages from the nd instar nymph.
中文: RT PCR检测表明 :BPH A从 龄开始到成虫期都有常量表达 ; BPH B、BPH C、BPH E从 龄开始到成虫期都有表达 ;
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英文: There are instars in nymphal stage and its development lasts for .0±.9 days.
中文: 若虫共龄,历期 .0±.9( 9～ 0)d。
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