收入低于一定数额者不必纳税。
People who earn under a certain amount are not liable to pay tax.
你必须考虑到一定数量的错误。
我仍旧为他们做一定数量的工作。
是定数，还是偶然，将人们带到一起？
Is it destiny that brings people together, or is it accident?
学校资助固定数目的免费生。
我敢说你到家时苏肯定数落了你一番。
他们发行了固定数量可公开交易的股票。
每个棉花糖云都能承载一定数量的人。
每所学校都应该配备一定数量的多媒体设备。
Every school should be equipped with an adequate number of multimedia devices.
没有数字的文化也帮助我们了解特定数字传统对认知的影响。
Cultures without numbers also offer insight into the cognitive influence of particular numeric traditions.
系统将根据无效消息的通信确定数据副本是新鲜的还是陈旧的。
The copies of the data are determined to be fresh or stale based on the communication of invalidation messages.
一些人强烈鼓励，一些人则要求制定数据管理计划，让数据可用。
Several strongly encourage, and some require, a data-management plan that makes data available.
当读者每月在线（阅读）文章超过规定数量时，他们将被要求付费。
Readers will be required to pay when they have exceeded a set number of its online articles per month.
他们都被邀请了，每个受邀的人都必须带着一定数量的银币和金币。
They had all been invited and each person who was invited has to bring with him a certain number of silver and gold coins.
邓巴发现，人类大脑的进化方式使我们只能真正关注到特定数量的人。
Dunbar has found that the human brain has evolved in a way that means we can only give real attention to a particular number of people.
它们通常包括一定数量的挖掘，以测试在景观中选定的点上的埋藏材料。
They often include a certain amount of digging to test for buried materials at selected points across a landscape.
如果不喜欢这个节目的学生达到一定数量，那么电视台会认真考虑是否要裁掉这档节目。
If enough students don't like the show, the network may actually reconsider putting it on the air.
对付干旱的另一种方法是在地面上种植特定数量的植物，并且确保地下有广大的根系网络。
Another way of countering drought is to have a limited amount of mass above ground and to have extensive root networks below ground.
有件事让真的我感到意外，那就是在城市的街道上有一定数量的豪华小车和SUV，比如宝马和奔驰。
One thing that really surprised me was the number of luxury sedans and SUVs, like BMWs and Mercedes, on the city streets.
在一些地方，你可以想借多少书就借多少，但在其他地方，你只限于借阅一定数量的书几个星期，这样你可以有足够的时间读完所有已借的书。
In some places, you may borrow as many books as you want, but in others you are limited to a certain number of books for several weeks so that you can have enough time to finish all the books you've borrowed.
这是绘制一定数量的牌手或建造多层甲板鞋的捷径。
It's a short path to drawing hands of a set number of cards or building a multideck shoe.
您需要确定数据的组织和呈现方法。
在部署描述符中指定数据库池。
每年都会拍卖固定数额的排放许可。
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