这项工作很简单,但很重要,因为它使这些成本脱离了臆想的范畴,进入了有意义的讨论的范畴。
The exercise is simple but important, since it brings these costs out of the realm of speculation into the realm of meaningful discussion.
当实验种群在简单的实验室条件下建立起来时,捕食者往往会消灭它的猎物,然后自己也走向灭绝,因为没有东西可以吃。
When experimental populations are set up under simple laboratory conditions, the predator often exterminates its prey and then becomes extinct itself, having nothing left to eat.
堡垒的保护更容易因为它构造更简单:它没有窗口、几乎没有几道门,没有天窗或通风系统这些入侵者可能利用的东西。
A fortress is easier to protect because it's simpler: it has no windows, few doors, no skylights, or vent systems through which an intruder might sneak.
p Well, it's not just p dS/dV because there's some dS/dV at constant T.
它不是简单的,因为式子中还包含,恒定温度下的。
Let's go back to one row again because it's easy to work with.
我们回到一行的情况因为它更简单
I just wanted to introduce those concepts because you've read about them; we'll be talking more about RNA interference in particular as we go on through the course.
我只是想简单介绍下这些概念,因为你们已经读过它了,随着课程的深入,我们将会讨论更多关于RNA干扰的内容
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