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The third is the establishment of marker-free and skelecton-free transformation vector systems, which are efficient and simple.

第三是着力发展标记载体骨架高效转化体系

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Metal hydroxides like aluminium trihydroxide (ATH) or magnesium dihydroxide (MDH) are commonly used halogen-free flame retardants in polyolefins.

化物如氢化铝(ATH)或氢化镁(MDH)是常用卤阻燃体系

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annotated, annotation, annotator, annotinous, announce, announceable, announcement, announcer, announcerbooth, announciator,

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3G, 401(K), a,

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6 Minute English 六分钟英语

Both of these problems come about when people trust indiscriminately-in an unsystematic way that does not show care or judgement, usually with harmful results-as Bernie Madoff's victims found out to their cost.

这些情况都是因为人们在托付信任时候——以一种在乎或体系方式,往往会导致有害后果——就像伯尼·麦道夫受害者们所遭受损失。

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annualdata, annualization, annualize, annualized, annually, annuation, annuens, annuent, annuit coeptis, annuitant,

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3G, 401(K), a,
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