The third is the establishment of marker-free and skelecton-free transformation vector systems, which are efficient and simple.
第是着力发展无标记基因、无载体骨架的简高效转体系。
Metal hydroxides like aluminium trihydroxide (ATH) or magnesium dihydroxide (MDH) are commonly used halogen-free flame retardants in polyolefins.
金属物如铝（ATH）或镁（MDH）是常用的无卤阻燃体系。
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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.
这些情因为人们在托付信任时候加选择——以一种在乎或加判断无体系方式，往往会导致有后果——就像伯尼·麦道夫受者们所遭受损失。
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划词翻译
详细解释
是着力发展无标记基因、无载体骨架的简
高效转
体系。
因为人们在托付信任
加选择——以一种
