你可以通过许多不同的方式来追踪你的时间,但是我发现当你正在进行或者为了制订计划需要快速统计时,一些适用于安卓手机或者苹果手机的应用软件十分有效。
You can track your time many different ways but some of the best apps that I have found for Android and iPhone are great when you are on the run and need to get a quick statistic to use for planning.
我曾看过一些非常长的包囊清单,但是实际上当你进入分娩时,并不需要那么多的东西。
I've seen some very long packing lists, but really, you don't need a whole lot of stuff when you go into labor.
Ctrl +拖动文本或对象创建文本或对象的一个拷贝抱歉,这里用到了鼠标,这破坏了快捷键的纯粹性,但是我要说,当你需要拷贝一个对象并控制其去向的时候,这是一个很有用的操作。
Ctrl + drag text or an object Creates a copy of the text or object. Apologies to the keyboard purists, but this useful trick does require mouse action.
It is true mathematically, you can add two numbers, but you've got to ask yourself,"What am I doing as a physicist when I add these two numbers?"
在数学上它是正确的,你可以引入这两个常数,但是你需要问问自己,当我引入这两个常数时,这么做有什么物理意义
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