Each move is shown as a single unit change from the previous position.
每一次移动都被看作是相对于前一个位置的改变。
It is the rate of change in total utility per unit change in quantity and is not the utility of a marginal unit.
它是（商品）量的每单位变动带来的总效用变动率，而不是边际单位的效用。
Strain, or unit deformation, is defined as the unit change in the size or shape of material as a result of force on the material.
应变或者单位变形是材料上的压力造成材料大小和形状的单位改变量。
China's oil output for the current urgent need for energy conservation, the energy-saving pumping unit change direction by ratchet has important theoretical and practical value.
针对目前我国油田增产节能的迫切需要，棘轮换向节能式抽油机具有重要的理论意义和实用价值。
OK, so if I give you a unit vector, you can ask yourself, if I move in the direction, how quickly will my function change?
也就是，如果我给你一个单位向量，试问，我沿着这个方向移动，我的函数值会变化得多快呢？
As you change code, unit test, and perform UAT, you should identify bottlenecks and implement changes as needed.
当您改变代码、单元测试并执行UAT时，应该识别瓶颈并根据需要进行改进。
Transformational change may be necessary in response to mergers and acquisitions, or a need to drive business unit transparency or independence.
转变变化在响应合并和获取的时候可能是必须的，在驱动业务单元透明性和独立性时是需要的。
Then, you can easily change the code of your website to make sure that your top performing unit is the one with the highest-bidding ads.
然后，你可以轻松的改变你的网站代码，以确保你的效果最好的单元是最高出价广告。
You could make other changes to the unit to indicate its differences, such as applying a custom style or appearance to the unit, but these changes are all superficial; the unit type does not change.
您可以对单元作出更改，以指示它的不同，例如对单元应用形式或者外观，但是这些更改都是很肤浅的；单元类型并没有得到更改。
Victor Fodeke, head of the Nigerian special climate change unit, said: "Africa is on death row." It has been sidelined by some countries.
尼日利亚特殊气候变化部负责人维克多·弗德克说：“非洲现在死囚牢房中，受到某些国家的排挤。”
To limit the possible damage done by changes, unit tests and integration tests are mandatory, otherwise the entire functionality of the system needs to be hand-tested after each change.
为了限制变更可能造成的破坏，单元测试和集成测试是必须的，否则就要在每次变更后手动测试整个系统的功能。
However, on the assumption that the final second-quarter data do not change substantially, the Economist Intelligence Unit would expect to revise up its forecast for Singaporean GDP.
然而，假设二季度最终的数据没有太大的变化，我们认为调高新加坡的GDP预期。
A small fee (exact change is sometimes required) allows you entrance to the unit.
一点小费用(有时需要付一些零钱)允许你进入这种设施。
"Mexico has recognized it will be heavily impacted by the effects of climate change," says Ricardo Ochoa, Head of the International Affairs Unit of the Ministry of Finance.
“墨西哥已认识到将遭受气候变化造成的严重影响，”RicardoOchoa，墨西哥财政部国际司司长表示。
If a unit test is fragile (that is, it is a valid test but it has to change continually to handle different user permutations), it might be a functional test.
如果单元测试很脆弱(也就是说，虽然它是一个有效测试，但它必须不断改变以处理不同的用户组合)，则它可能是功能测试。
In fact, you should change your perspective on the relationship between unit testing and compilation.
实际上，您应该换个角度看待单元测试和编译之间的关系。
Rather than deleting the root user unit, another option is to mark the root user account unit as publicly editable, which would change the error to a warning.
除了删除根用户单元，另外一个选项就是将根用户账户单元标记为公共可编辑状态，这将会将错误转化为警告。
This is why we use good design practices and automated feedback loops like unit or system tests; to keep things easy to change.
这就是为什么我们使用好的设计实践，和像单元测试与系统测试这样的自动化反馈环，都是为了让修改变得容易。
By meeting with your business unit contacts, you can do a better job of determining when those changes are likely to occur and how much change will be required.
通过与业务单位联系人会面，您可以更好地确定变更可能会在何时发生，以及将会需要多大程度的更改。
The result is code that is easy to unit test, easy to substitute, easy to maintain, easy to change, etc.
这样得到的代码更易于做单元测试、易于替代、易于维护、易于修改等等。
The code change is committed (or checked in), and its unit tests become part of the integration suite.
提交(或检入)代码变更，并且代码变更的单元测试成为集成套件中的一个部分。
If the brands do not raise the unit price and change their purchasing practices, no structural change in working conditions in the toy industry is feasible.
假使这些品牌不提高产品单价和改变牟取暴利的行为，那么玩具产业工作状况的结构改变是行不通的。
Unit tests give me the confidence that my code works and that I can change it, at a moment's notice, without the fear of it breaking.
单元测试给我信心，让我相信我的代码能够工作，而且我只要看一下，可以修改它，就不会害怕它会崩溃。
In the sections that follow, I show you a few simple unit tests that ensure that you do not inadvertently change the serialization format of your serializable classes.
在本文后续各节中，我将为您展示一些简单的单元测试，这些单元测试能确保您不会不经意地更改可串行化类的串行格式。
The use of an access database to store test execution information means there's no unit-level change control over individual test cases or test plans.
一个保存测试执行信息的访问数据库的使用，意味着对于个体的测试案例或者测试计划没有单元级别的变更控制。
To change to a different unit, choose your preferred units from the drop-down menu on the right, as illustrated in Figure 10.
若要更改为不同的单位，请从右侧的下拉菜单中选择首选的单位，如图10所示。
An excellent metric for volatility is gross change per unit time, with the overall assessment being the trend over time for this metric.
易变率的一个杰出的量度是单位时间的总变更，以及该量度随着时间的趋势的整体评估。
Unit tests allow you to make changes with confidence; if a change breaks something, this will be revealed by the tests.
单元测试使您对改动充满信心；如果某个改动破坏了一些东西，测试将把它揭示出来。
Sometimes you will make a change to your code that, somehow, breaks 10% of your unit tests.
有时人们稍微改了改代码，结果10%的单元测试就不能用了。
Sometimes you will make a change to your code that, somehow, breaks 10% of your unit tests.
有时人们稍微改了改代码，结果10%的单元测试就不能用了。
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