Condoms are an effective method of birth control if used with care.
避孕套如果谨慎使用，是一种有效的节育方法。
I do think that an element of stress is a good thing, and if used the right way, can actually be a positive thing.
我认为有一点压力是好事，如果处理得当，实际上它是可以带来积极影响的。
However, I do think that an element of stress is a good thing, and if used the right way, can actually be a positive thing.
然而，我认为压力元素确实是一件好事，且如果处理得当，它实际上是可以带来积极影响的事。
This medicine is effective if used within three years.
这种药3年以内有效。
They bless if used well; they curse when abused.
使用得当，它们就赐福于人；滥加使用，它们就降祸于人。
Electric cars could cut greenhouse gas emissions if used properly.
如果使用恰当，电动汽车可以减少温室气体的排放。那么人们要怎么使用它们呢？
The Reference classes can be useful if used for the right situations.
如果使用得当，引用类还是很有用的。
In fact, agility and MDD — if used properly — are very compatible indeed.
事实上，敏捷性和MDD——如果恰当使用——是非常兼容的。
Images can be very powerful and effective if used with careful intention.
如果精心设计，图片将会非常有说服力和效果。
As a stimulant it will keep you awake, even if used nearly six hours before bed.
作为兴奋剂它会让你保持清醒，即使差不多是在睡觉前6个小时。
If used properly, newsletters can be very effective tools for driving people to your site.
如果你利用的恰当，实时通讯会成为促使人们访问你的网站的一个很有效的手段。
This is because if used directly after a create command, the queue manager details are cached.
这是因为如果在创建命令后直接使用，队列管理器详细信息将被缓存。
So there you have it - a small collection of social techniques, powerful and subtle if used well.
所以你应该懂了—这些小技巧，如果用的好的话是非常强大而微妙的。
Another major drawback of JSONP is that it can be quite dangerous if used with untrusted services.
JSONP的另一个主要缺陷是被不信任的服务使用时会很危险。
If used properly, you'll never have to worry about whether you should friend the boss and your mom.
如果运用合理，你就再也不用担心加入的好友是你的老板还是你的母亲。
Each record can be a different length length if used in conjunction with XMLNSC or MRM TDS options.
如果与XMLNSC或MRMTDS选项结合使用，则每个记录可以具有不同的长度。
If used for short trips and recharged regularly at a household outlet, it would use no gasoline at all.
如果平时出行距离不远，能在家里定期给车充电，那就完全用不着加油了。
If used in several composite applications, the system navigator provides a common look and feel to your users.
如果在许多复合应用程序中使用，系统导航器为用户提供普通外观。
It will bring jobs in ancillary services; and the extra money could, if used wisely, ease some pressing problems.
它能够在辅助服务业提供工作岗位；而如果使用得当，额外的收益可以缓解一些燃眉之急。
Dynamic includes offer the highest flexibility, but come with a significant performance overhead if used too often.
动态包含提供了最高的灵活性，但如果使用过于频繁，会带来巨大的性能开销。
It's also dangerous if used in conjunction with various other supplements such as ginger, Co-Q 10 and cat's claw.
枸杞同很多其他辅助品联用同样是很危险的，这包括姜、辅酶Q10、以及猫爪草。
Segments four through sixteen (0x3 to 0xf) are available for the user heap if used by dynamic segment allocation.
如果使用动态段分配，那么第4段到第16段(0x3到0xf)供用户堆使用。
Geothermal power has a lot of advantages: no CO2 emissions, renewable if used correctly and constantly available.
地热能有诸多优点：不产生二氧化碳，如果正确使用且持续可用的话地热能是可再生的。
Viagra can be fatal if used in combination with nitrates, the drugs prescribed to treat heart problems such as angina.
伟哥与硝酸盐合用是致命的，尽管后者同样是用于治疗心绞痛的药物。
But if used to kick the thought process out of a rut, blogs can be an incredibly powerful skills-enhancing resource.
但如果要使思维过程突破常规，博客将是一种增强技能的强大资源。
If used properly while conducting a search, they can save precious time and bring us directly to the information we seek.
如果在搜索过程中好好使用，可以节省很多时间并且直接带领我们找到想要的信息。
Finally, if used outside of the use-when attribute, it can also detect if a user-defined stylesheet function is supported.
最后，如果在use - when属性之外使用，还可以检查是否支持用户定义的样式表函数。
This proxy code is very flexible because, if used correctly, it can determine the actual destination from the HTTP headers.
这种代理代码非常灵活，因为如果应用得当，它可以从HTTP头确定实际的目的地。
This proxy code is very flexible because, if used correctly, it can determine the actual destination from the HTTP headers.
这种代理代码非常灵活，因为如果应用得当，它可以从HTTP头确定实际的目的地。
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