词库中的单词只能使用一次。
You may not use any of the words in the bank more than once.
它们很容易损坏，大多数只能使用一次。
这意味着我们要在使用一次或两次后丢弃它们。
This means that we need to discard them after one or two uses.
每年有700万吨塑料被制成塑料瓶，而这些塑料瓶只被使用一次。
7 million tons of plastic is turned into bottles which are only used once each year.
刮匙是一次性的，只能使用一次。
The curettes are meant to be disposable and for single use only.
使用一次传播来传播整个文件内容。
The entire file content is propagated using one propagation.
在任何一家公司，应用通常使用一次。
使用一次口令以生成令牌。
所以您只需使用一次C编译器来产生可执行文件。
So you only need a C-compiler once to produce the executable.
只使用一次天平，如何找出盛有9克药的那一瓶？
You have a scale that can be used only once. How can you find out which bottle contains the 9 gram pills?
10%手机用户每周至少使用一次手机定位服务。
10% of cellphone owners use location-based mobile services at least once per week.
在这些编辑次数中，这些下拉列表只被使用一次。
因为密码仅使用一次，因此它几乎是无法被破解的。
Because the codes were used only once, they were virtually unbreakable.
为了进一步加强系统的安全，令牌只能被使用一次。
每周使用一次家用清洁喷雾增加76％的患哮喘几率。
Using household spray cleaners just once a week increases your risk of an asthma attack by 76 per cent, say Spanish researchers.
每种声明只使用一次意味着对选择器进行更加严格的分组。
Using every declaration just once means making strict use of selector grouping.
每使用一次信用卡，就增加了信用卡号码被欺诈使用的机会。
Every time you use a credit card, you increase the chances of that card number being used fraudulently.
63%iPhone用户每周至少使用一次手机定位服务。
63% of iPhone owners use location-based mobile services at least once per week.
编写串行化实例的程序是临时代码，只需使用一次。
The program that writes the serialized instances is throwaway code. You won't need it more than once.
在应用“每种声明只使用一次”的规则之后，得到。
Applying the "any declaration just once" rule here results in.
只需在sql语句中使用一次参数标记，然后就可以多次重用。
Use parameter markers to prepare an SQL statement once, and then reuse it many times.
但这要求这样的移植对患者无害，而且每根移植的血管只能使用一次。
But that requires such transplants to be healthy themselves-and each length of transplanted vessel can be used only once.
为了演示不同CSS选择符的用法，我在本文中使用一次狗展的结果。
To demonstrate the use of different CSS selectors, I use in this article the results of a dog show.
它使令牌避免了恶意提交以在一个资源被使用一次后获得对它的访问。
It prevents tokens from being maliciously submitted to gain access to a resource after the first use.
炸圈饼是用那种每周重复使用一次的氧化油充分油炸出来的！
Donuts are deep Fried in oxidized oil that is re-used for weeks at a time!
炸土豆片是用那种每周重复使用一次的氧化油充分油炸出来的！
Potato chips are deep Fried in oxidized oil that is re-used for weeks at a time!
使用一次转换将Viewstate与End state联系起来。
如果你遇到这种情况，就不要管“每种声明只使用一次”的规则了。
If you run into trouble with this, just bend the "declaration just once" rule - and use it more than once.
在那些每四天使用一次喷雾剂人当中，患哮喘的风险将增加一倍以上。
Among those who used the cleaning sprays at least four days a week, the risk of asthma was more than doubled.
接下来就是打包那些你每周使用一次的东西，然后将日常生活用品留到最后打包。
Work your way up to items you use weekly and leave the daily items until the end to pack.
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