这些基因来自于需光生存的有机体，如藻类。
These genes are taken from other organisms that use light to survive such as algae.
本文按化合物类型介绍了需光性除草剂的开发。
Recent advances on perioxidizing herbicides were briefly reviewed in this paper.
这相当于一个光声版本的无线电频率条形码，可以用在需通过自动收费站的车上，或者给商品打价签。
This could be used like an optoacoustic version of the radio-frequency bar codes that are used by cars passing through the pay booths of automated toll roads or to tag some goods in shops.
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