That is, the marginal cost of an additional user is essentially zero for a sizeable number of users, but then marginal cost grows rapidly in the number of users.
这样，在一定人数内，新增一个消费者的边际成本基本为零，但是当使用者达到一定人数后，新增一个消费者的边际成本将非常明显。
Now suppose that you want your Data View to include only current products where the units on order equals zero, so that you can decide whether to order additional units.
现假设要数据视图仅包含已订购数量等于零的当前产品，以便决定是否要订购额外数量。
This additional integrator must be accompanied by at least one zero if the system is to remain stable.
如果要保持系统稳定该附加的积分器必须相应增加至少一个零点。
This device use the principle of additional DC power supply in main feeding switch, and use the principle of direction of zero sequence power in branch feeding switch.
该装置在总馈电开关处的漏电保护装置使用附加直流电源原理，在分支馈电开关处的漏电保护装置使用零序功率方向式保护原理。
Not only can users set product prices to low values or zero, in some cases they can even set negative prices to receive the merchandise and an additional cash bonus.
用户不仅能将产品价格设置为更低的值或者零，有时他们还可以设置负值的价格，以得到商品和附加的现金反款。
We find that there appears a singular trajectory ( density on it being zero ) and a additional left-facing shock after the reflected wave reaches the explosion point.
我们发现，在反射波到达爆炸点后，这里出现了一条密度为零的奇轨线和另一条左向的激波。
We find that there appears a singular trajectory ( density on it being zero ) and a additional left-facing shock after the reflected wave reaches the explosion point.
我们发现，在反射波到达爆炸点后，这里出现了一条密度为零的奇轨线和另一条左向的激波。
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