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unshelled eggs
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unshelled eggs
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农学
捕食螨缓释技术
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unshelled eggs
无壳卵
没有卵壳,依靠营养膜或伪胎盘等结构从母体的血腔中直接吸取营养完成胚胎发育的胎生类昆虫的卵。
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precipitation hardening iron-based cast and wrought superalloy
precipitation hardening nickel based cast and wrought superalloy
precipitation in China
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更新时间:2026/11/2 16:47:15