So to make things simpler we are using this convention and you just put a minus sign if you are doing physics.
我们只是借用了这个物理概念来简化问题，你算物理题的时候加个负号上去就好了。
For patterns with a leading minus sign (negative prefix), truncation occurs at the point of a nondigit character, including embedded minus signs.
对于带前置负号(负前缀)的模式，截断发生在非数字字符的点(包括了内嵌的负号)。
It also details in concrete terms the composition of the three tokens (a plus sign, a minus sign, and an integer) that the parser expects to encounter while scanning through the input stream.
它还详细描述了三个记号(加号、减号和整数)组合的具体项，解析器在扫描整个输入流时希望遇到这些项。
So, the system does work on the surroundings, hence the minus sign.
系统对环境做功，因此符号是负的。
I mean, it's pretty surprising to see that minus sign come out of nowhere the first time you see it.
我的意思是，这令我们非常惊讶，因为先前负号无处可寻，现在却突然出现了。
It has changed from a minus sign to a plus sign because of this positive acceleration.
速度的符号已经，由负变正了，可是加速度又还是正的。
When the actual cause was identified, it turned out to be an improper user input (no minus sign [-] in front of the longitude).
最后发现起因是用户在输入经度时有误（少了减号 [-]。
Don't depend on the lack of a minus sign to mean that there are no negative Numbers.
不要根据没有减号这一条件就认为不会有负数。
I don't want to have a plus and a minus sign there have to think about that it means the same thing.
考虑同一物体时，我可不愿把符号倒来倒去。
We've probably all known programmers who decide that the solution is just to display a message that says approximately, "Key Numbers with no commas and a leading minus sign."
我们也许都遇到过这样的程序员，他们认为解决方案不过是显示一个像“别键入逗号和前置负号”这样的消息。
To turn an option on, prefix the corresponding option letter with a minus sign (for example, -f).
要开启选项，则需要在相应的选项字符前加上减号（例如，-f）。
Although the hyphen does look quite a bit like a dash or minus sign, it is a punctuation mark.
尽管连字符看上去很像破折号或减号，但他还是一个符点符号而非数字符号。
The inner boundary either goes clockwise, or you put a minus sign.
内部边界曲线是顺时针的，或者加一个负号。
By the way, this minus sign here is actually related to the way in which, when we do a cross product, we have a minus sign for the second entry.
顺便说一下，这里这个-号实际上和，我们做交叉乘积的时候的方法是有联系的，我们在算第二项前面是-号。
If the pattern specifies a leading minus sign for negative input, a trailing minus sign is ignored.
如果该模式指定前置负号为负输入，后置负号将被忽略。
If the integer is negative, you write a minus sign before the number, just as in mathematics.
如果是一个负数，在数字前面加上“-”即可，就和数学中是一样的。
The jobs will be ordered by when they were published, starting with the most recent (a minus sign indicates descending order).
职位可以按照发布时间进行排序，最开始是最近发布的职位(减号表示降序)。
If you call this plus, then if you get a minus sign, you know that the velocity is in the opposite direction.
你若称此为正号，你若想要一个负号，你们知道的，相反方向的速度。
The minus sign (-) or plus sign (+) before each change corresponds with the file names directly above the line.
每个更改前的减号(-)或加号(+)与行上方的文件名一致。
So the spring force is opposing that, so the spring force has a minus sign here to indicate the direction.
弹力方向相反，所以弹力有个负号，来表示方向。
This is the magnifying glass icon with the minus sign on it and provides the ability to step-wise zoom out.
这是一个放大镜图标，上面有一个减号，提供逐步缩小的能力。
When there's no explicit negative pattern, a leading minus sign is assumed in combination with the positive pattern.
没有显式的负数模式时，假设正数模式中包含前置的负号。
Yacc can recognize patterns of tokens; for instance, as in the example above, it can recognize that an expression can consist of a value, either a plus or minus sign, and another value.
yacc可以识别出记号的模式；例如，如上面例子中所示，它可以识别出一个表达式可能由一个值、一个加号或者减号以及另一个值构成。
The DecimalFormatSymbols object contains information such as the appropriate decimal and grouping separators and minus sign symbol.
DecimalFor matSymbols对象包含了诸如合适的小数分隔符、分组分隔符及负号标记在内的信息。
This is minus one over r, so I get m MG over r with a minus sign, and that has to be evaluated between infinity and capital R.
这是r的负值，所以在mMG/r上加-号，它处于,无穷远和R之间。
If you were born near the end of your sign, near July 18 plus or minus four days, you'll feel the wonderful electricity of Mars' beam to Uranus on July 7 even more.
如果你出生于星座的末尾，接近18号前后四天，你将更多地感觉到7月7日这天火星和天王星的良好相位所散发出来的美妙激情。
The minus sign is telling you that the force is always pointing in the direction of the potential energy.
力一直是指向，这个方向的，它和势能的增长方向，这就是负号。
Show all posts except those from a category by prefixing its ID with a '-' (minus) sign.
显示所有的文章，但是类别ID前面有个'- '(负号)负号的类被除外。
In the last letter he simply wrote out a plus and a minus sign, and I was supposed to cross one out.
最近一封信，他索性把加减号都写好，我只要划掉一个就行。
In the last letter he simply wrote out a plus and a minus sign, and I was supposed to cross one out.
最近一封信，他索性把加减号都写好，我只要划掉一个就行。
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