Agar’s low viscosity also makes it easy to pour into Petri dishes, and its transparency permits observation of microbes growing on its surface.7 Also aiding in this is its low syneresis (extrusion of water from the gel), guaranteeing less surface “sweating”: Once a plate is inoculated, bacterial colonies stay in place and do not mix.
他们警告母亲：此案属于“国家级机密”，正处于关键侦查阶段，绝对不能向任何人泄露，“尤其是你的儿子”。他们声称，告诉自己的儿子只会害了他，而且他也在被监控。
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A bill to recognise English as an official language of New Zealand has cleared its first hurdle in parliament amid ridicule from opposition parties and linguists who say it is “unnecessary” and “cynical”.，更多细节参见旺商聊官方下载
«Министр обороны [Великобритании] Джон Хили провел встречу с высокопоставленными военными, на которой обсуждалась отправка корабля HMS Duncan в этот регион», — рассказали собеседники издания.