If one chord holds twice as long or only half as long, then we have an irregular harmonic change--irregular rate of harmonic change.
如果某一个和弦持续的时间是两倍或者只有一半，那我们就有了不规则的和声改变——和声改变的不规则比率。
If the horizontal line drawn is aligned with a polygon vertex, then only the segments that are below the line are counted.
如果所绘制的水平线与一个多边形顶点对齐，那么只计算位于该线下方的部分。
If he did not do it, then the adventure would be proved to have been only a dream.
如果他不这样做，那么，那次冒险将被证明只是一场梦。
He refused to develop projection technology, reasoning that if he made and sold projectors, then exhibitors would purchase only one machine—a projector—from him instead of several.
他拒绝研发投影技术，理由是：如果他研发并且销售放映机，电影放映者们就只会从他那里买一台机器，而不是几台。
If he had only known then the dreadful things that were to happen to him on account of his disobedience!
要是他能知道，因为不听话将会面临什么可怕的事情，那就好了！
If only I could spin the photo around, then I could get a good look at it and make a sound judgement.
只要我能够旋转照片，我就可以好好观察它然后做出一个合理的结论。
If your only reason for becoming friends with a foreigner is to improve your English, then you will probably find that you don't have a foreign friend for long.
如果你和外国人交朋友的唯一原因是为了提高你的英语水平，那么你可能会发现你交的外国朋友并不长久。
If only you have difficulties with him then you need to examine yourself and your relationship with him.
如果只有你和他相处困难，那你需要好好反省自己以及你们的关系问题。
If you understand something in only one way, then you don't really understand it at all.
如果你只从一个方面来理解事物，那么你并不能真正理解它的全部。
If a category always drills to one and only one category then the two levels should be merged.
如果一个分类总是属于一个且只属于一个分类，那么这两个层次就应该合并。
If you then choose only the user option, you see a thumbnail window on user status appears.
如果您只选择用户选项，那么您会看到一个显示用户状态的缩略窗口。
If you measure only financial performance, then you can hope only for improvement in financial performance.
如果你只衡量财务业绩，那么你只可能在财务业绩方面得到提高。
If only one XML index is available, then DB2 cannot apply this guideline and will instead produce the cheapest alternative plan.
如果只有一个xml索引是可用的，那么DB 2将无法应用这个准则，因而将生成成本最低的替代计划。
If server space is the only motivator, then using efficient check-in on regular directory structures would use the least amount of space.
如果只考虑服务器空间，那么在常规目录结构上使用高效签入这种方法将占用最少的空间。
If this is correct, then only 14% of the world's species have yet been identified - and only 9% of those in the oceans.
如果这个数字是准确的，那么到目前为止我们只鉴定了物种总数的14%，而这些被鉴定过的物种中只有9%是海洋物种。
But if you only interview people with accomplishments, then you have a much broader base to work from.
但是，如果你只面试有成就的人，你将会有一个更宽广的平台来开展工作。
If only a small substring is needed, then - because the whole character array is retained - some space is wasted.
但是如果只有一小段字符串被使用，那么—由于整个字符数组仍然被保存—就有一些空间被浪费了。
If Victor escapes, then not only Palmer but also Jack's wife and daughter will remain in jeopardy.
如果维克托逃脱，那么，不只是帕默，杰克的老婆和女儿会继续处于危险之中。
If only a colon is given, then the user's default group is used.
如果只有给出冒号，那么就使用用户的默认组。
If your only objective is to show the table, then you're done, because the rest of the code handles sorting.
如果您的目标只是显示表格，那就可以了，因为余下的代码可以完成分类。
If undo is implemented correctly, then there's only one destructive operation in the entire system: emptying the Recycle Bin.
如果恢复功能实现正确，整个系统只会有一个破坏性的操作：清空垃圾箱。
If the number specified is greater than zero, then only the occurrence found is replaced.
如果指定的数字大于零，则只替换找到的发生项。
If no product plug-ins are installed, then only the default system collector will be available.
如果未安装产品插件，则将只有缺省系统收集器可用。
The manifest can have different sections, but if it only has one, then it is assumed to be CACHE and can be omitted.
清单可以拥有多个不同的区域，但是，如果它只有一个区域，那么这个区域就假定为CACHE且可以省略。
In these circumstances, we will not regret being kind to others, but, if we act only for our self interest then we often will.
在这样的情况下，我们绝不会后悔善待他人，但是，如果只是为了我们自己的兴趣，我们往往会后悔。
If only the interface is published as API then if you call one of these ten methods you make an internal call.
如果这个接口做为API被发布了，那么你对十个方法中的一个的调用就是内部调用。
When a function begins, it actually saves the link register in the calling function's stack frame, not its own, and then only if it needs to save it.
当函数开始时，它实际上会将链接寄存器保存到调用函数的堆栈帧中，而不是自己的堆栈帧中，然后只有在需要时才会保存它。
If "bindings then client" transport mode is chosen, channel exits will only be driven if the bindings mode connection fails.
如果选择“绑定然后客户端”传输模式，则仅在绑定模式连接失败时，才驱动通道出口。
If "bindings then client" transport mode is chosen, channel exits will only be driven if the bindings mode connection fails.
如果选择“绑定然后客户端”传输模式，则仅在绑定模式连接失败时，才驱动通道出口。
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