instars
英[ˈɪnstɑː(r)]
美[ˈɪnstɑr]
- n. [昆]龄，龄期（幼虫两次蜕皮间的虫期）；中间形态
- vt. 将……镶上星星或星状物
双语例句
- 1. The larva has 5 instars.
- 幼虫有五龄。
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- 2. The larva has 8 instars, and one larva feeds on about 60 needles.
- 幼虫共8龄，每头幼虫取食针叶60根左右。
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- 3. Development thresholds and accumulated temperatures vary owing to different instars.
- 发育起点温度及有效积温因不同龄期均有差异。
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- 4. The larvae had five instars, and exuviated at night, pupated at 5rd instar old larvae, pupation time need 2-4 days.
- 幼虫共有5龄，以夜晚蜕皮为主，5龄幼虫老熟后即觅地化蛹，化蛹持续时间2 - 4天。
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- 5. In experimental populations, mortalities of the 5th instar larvae and pupae were higher than those of instars at initial stages.
- 实验种群中初期死亡率较低，5龄幼虫和蛹的死亡率较高。
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- 6. The results of common silkworm rearing with pellet artificial diet in 1~2 instars and mulberry leaf in 3~5 instars were studied in this paper.
- 通过1～2龄人工饲料育，3～5龄桑叶育，探讨了适合普通蚕品种的颗粒人工饲料的养蚕效果。
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- 7. The enzyme activity in plasma or haemocytes was different at different stages and instars, but the change trend of the enzyme activity in plasma and haemocytes was consistent.
- 不同虫态及虫龄的血清和血细胞中酚氧化酶活力有很大的不同，血清和血细胞中酚氧化酶活力变化规律一致。
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- 8. The rearing results of three cross combination of euryphagous silkworms were studied in detail between pellet artificial diet raising for young silkworm and mulberry raising for all instars.
- 本试验探讨了三个广食性杂交组合小蚕颗粒人工饲料育与全龄桑叶育的饲养效果。
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- 9. The rearing results of three cross combination of euryphagous silkworms were studied in detail between pellet artificial diet raising for young silkworm and mulberry raising for all instars.
- 本试验探讨了三个广食性杂交组合小蚕颗粒人工饲料育与全龄桑叶育的饲养效果。
youdao
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