A substring is zero or more contiguous string length units of input string.
子字符串是输入字符串的零个或多个相邻字符串长度单元。
t2 In our case, t1 to t2 here 0 notice the velocity is zero as a start.
请看我们的例子里的t1和,请注意初始速度为。
If so, we return zero because the sum of all members of an empty list is zero.
如果是，则返回零，因为一个空列表的所有成员的和为零。
Well, we already saw no, 0 if my initial guess is zero, I don't get anywhere.
我们已经说了不是了，如果我的初始猜想点是。
And so the energy is zero because the electron is no longer bound. It is free.
所以这个系统能量为0，因为，电子不再受束缚了，它自由了。
The base case (what to do if the function's parameter is zero) is much easier.
基线条件（当函数参数为零时作何处理）十分简单。
It’s like a restaurant with a buffet: the marginal cost ofeating all you want is zero.
（如同饭馆内的自助餐：你尽情吃的边际成本为零）。
The first check that is made is to see if the count of the protocol sequences is zero.
首先检查协议序列的数量是否为零。
If you find a curve where the work is zero, that's not enough to say it's conservative.
如果你找到一条曲线，沿之做功为零的话，还不足以说明这是一个保守场。
So the average speed 5m/s is 4.5 meters per second, 0 but the average velocity is zero.
因此平均速率,是4。,但是平均速度是。
If the timeout is zero, then a caller will always wait until a free object is available.
如果超时为零，则调用方将总是等待，直到空闲对象可用为止。
This is zero. So again, in the ideal liquid mixture case, their molecules aren't interacting.
这是零，又一次，在理想液体混合物的情况下，它们的分子没有相互作用。
If the argument is zero, then the result will be -127 for a float and -1023 for a double.
如果参数为0，则对应的浮点数和双精度数的结果分别是- 127和- 1023。
The answer is, in fact, there is zero, absolutely zero probability of finding a electron here.
实际上它在这里是为零的，在这里找到电子的概率严格等于零。
And that would be fortunate because if a curl is zero then your field is less conservative.
真是十分幸运啊，因为如果旋度是0，那么场至少是保守的。
And if the curl is zero then it means that this force does not generate any rotation effects.
如果旋度是0，就意味着，这个力不产生旋转作用。
Explaining what is zero-copy functionality for Linux, why it's useful and where it needs work.
解释Linux中的“零拷贝”特性，为什么有用以及何处需要改进之处？
For an object to be in static equilibrium, it is not enough that the sum of all forces is zero.
处于静力平衡的物体，仅仅所有作用力之和，为0是不够的。
When you initially set up your chart of accounts, the balance in each and every account is zero.
当你初始建立你的会计科目表，单独以及所有的账户余额都为零。
If the curl is zero, and if the field is defined everywhere, then it's going to be conservative.
如果旋度为0，而且场处处有定义，那么它就是保守场。
So, you must be in this case if you have a noninvertible system where the right hand side is zero.
这种情况必然发生在,不可逆线性方程组的情况，且等号右边为零。
If the UID of the authenticating user is zero, then only pam_allowroot module returns PAM_SUCCESS.
如果验证中的用户的uid为零，那么只有pam_allowroot模块会返回PAM_SUCCESS。
At wordnik* the tally is zero-zero for the American Heritage Dictionary and the Century Dictionary.
在wordnik单词网上，在《美国传统词典》和《世纪辞典》都没有该词的标签。
The second column, retrans, is zero, showing that no retransmissions were necessary since the last reboot.
第二列retrans是零，这表示从上一次重新引导以来没有出现需要重新传输的情况。
The angular velocity is zero when you release it and is a maximum when it goes through the lowest point.
角速度是,当你释放它的时候,当它到达最低点,速度达到最大。
And I accidentally mentioned that it 0 was the potential energy that is zero, which is obviously not so.
我无意间提起,这里的势能为，但是很明显并不是。
If an object's reference count is zero, it is garbage (unreachable from the user program) and can be recycled.
如果对象的引用计数是零，那么它就是垃圾(用户程序不可到达它)，并可以回收。
It is zero emissions, there is no carbon, he said. And hydrogen is the most plentiful element in the universe.
他说：“它的废气排放量是零，不排放碳，而且氢是宇宙中含量最丰富的物质。”
Nonrivalry has the implication that the efficient price is zero, since the marginal cost of another viewer is zero.
非竞争性意味着有效价格为零，因为增加一个观众的边际成本为零。
Nonrivalry has the implication that the efficient price is zero, since the marginal cost of another viewer is zero.
非竞争性意味着有效价格为零，因为增加一个观众的边际成本为零。
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