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- package defective mutant 包装缺陷突变体
- Objective:To find protective antigen(PA) defective mutants of anthrax toxin with the same function as PA but with low immunogenicity,different domains of PA were mutated. 目的:对炭疽毒素保护性抗原(PA)的不同结构域进行了缺失突变,以期找到免疫原性降低而功能变化不大的PA蛋白突变体。
- The failure mechanisms that belong to quality and reliability problems include bad bondings, chip defects, adhesion problems, package defects and glue degradations. 在器件本身的质量和可靠性问题方面，具体失效机理有引线键合不良、芯片缺陷（包括沾污、裂片、工艺结构缺陷等）、芯片粘结、管壳缺陷、胶使用不当等；
- The gay package is only for dandy. 这种鲜艳的包装只是为了美观。
- The goods are to be sent in airtight package. 这批货物应密封包装运送。
- They detected no defect in the product. 他们没发现产品有任何问题。
- My aunt is hooked on package holidays in Spain. 我的姑母着迷于旅行社包办的西班牙度假。
- This was his fatal defect; he was of feeble will. 这是他致命的弱点，他意志薄弱。
- The package carries no written message. 包裹内不得夹带书信。
- The proposal was presented as final package deal. 那项建议是作为最终的一揽子交易提出来的。
- He tied the package with a cord. 他用绳子把包裹扎紧。
- A defect of focus, such as blurring in an image. 像差焦点不准确而造成的物像模糊
- Can you deliver a large package of books? 你能把一大包书寄出去吗？
- Near-sightedness is a visual defect. 近视是一个视力缺陷。
- We tied up both package well with heavy cord. 我们用粗绳把所有包裹捆扎妥当。
- The package arrived safe and sound. 包裹寄到，丝毫无损。
- defective mutant 缺陷性突变体
- He made out with a defective tool and still got the job done. 他将就使用一件不完善的工具而仍然完成了任务。
- The postman brought me a large package. 邮递员给我送来一个大包裹。
- A damaged or defective object or device. 损坏物，缺陷物损坏的或有缺陷的物体或设备
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
