环保是一个庞杂的工程，单靠单次的努力是不够的，需要不断的投入。
The environmental protection is a huge and complicated project. It can not be achieved by a single effort. It needs continuous flow of investment.
是单次的出行，在从某地去另一地的过程中，你可能需要作不同的行程。
A journey is one single piece of travel. You make journeys when you travel from one place to another.
我仅有一次引起他们注意的是在我把全A的成绩单拿回家的时候。
The only time I got their attention was when I brought home straight A's on my report.
我仅有一次引起他们注意的是在我把全A的成绩单拿回家的时候。
The only time I got their attention was when I brought home straight A's on my report card.
常规/重量（单次承受力道最大值的百分比）
一旦登录进去，用户必须具有对应用的任意部分的访问权，而无需在单次访问期间再登录一次(除非他们已注销了)。
Once logged in, users must have access to any part of the application without having to log in again during a single visit (unless they log off).
这种微小的，多才多艺的碳纳米管可以一次运输一个单分子
The tiny, multitalented carbon tubes can carry single molecules, one at a time.
沃利森说明，信用违约交换单每交易一次，其“名义金额”都要增加，即使风险的数量并没有改变。
Wallison shows that each time a CDS is traded, the "notional amount" increases, even though the amount of risk is unchanged.
比如，用于单次登录的名称空间就是这样的一个例子。
An example of such a namespace is one that is used only for single signon.
消费者单次付费后即可把购买的电影放在不同的装置上播放。
Consumers will be able to buy a film once and then play it on different gadgets.
由于许多人居住在远离卫生机构的地方，单次就诊方式会降低女性忘记或无法再次就诊的风险。
The single-visit approach decreases the risk of women forgetting or not being able to come back, as many live far away from health facilities.
收到求救信号，一架B-52轰炸机用具有历史意义的单次投弹，炸毁了队伍前面的约30辆装甲车。
Responding to a call for help, a B-52 bomber attacked the first 30 or so vehicles in the column with a single, historic pass.
但是如果用纳米孔，实质上就不需要化学与处理和“放大”，取而代之的是，可以一次一个碱基对地读出单条dna链，也不用标记。
With nanopores, however, virtually no chemical pre-processing is required and no amplification. Instead a single strand of DNA can be read, one base pair at a time, and without the need for labelling.
他发现这些单次出现的数字几乎总是橡胶涂层下的数字。
He realized that the singletons were almost always repeated under the latex coating.
实验再一次发现，这些女性在实验室测试中表现详单，但是怀孕前三个月的女性在执行性记忆的场地实验中的表现明显不佳。
Again, the women did equally well on the lab tests, but women in the first trimester did significantly worse than others on the field-based prospective memory task.
陶艺与雕刻：参加陶艺课程，无论单次还是系列的，都能给你一面坐着交谈一面实践创造力的机会。
Ceramics, Pottery, or Sculpting: Going to a single class, or taking a series of ceramic classes can give you a chance to sit and talk while experimenting with your creativity.
公司位于印度洋上的法属留尼旺岛，该航班从巴黎飞往此地，如果满座，将会创下一架飞机单次飞行载客数量的世界纪录。
When full, the flights between Paris and the French island of reunion in the Indian Ocean, where the company is based, will easily involve the most passengers ever to fly in a single aeroplane.
记住，参数列表区是针对函数的所有调用定义的，因此可能会比任何单次函数调用需要的空间都大。
Remember, the parameter list area is defined for all of the calls made by a function, and therefore will likely be bigger than necessary for any individual function call.
更加需要关注的是，至少对我而言，这样可能造成超出单次往返过程的问题。
What's even more concerning, at least to me, is that this can create a problem that goes beyond simple round-tripping.
互联网出现之前，犯罪者致力于做“大买卖”：他们总是不断寻找单次作案机会，比如，实施一次银行抢劫，就可能会给他们带来巨大的回报。
Until the internet came along, many criminals pursued a “blockbuster” approach: They were always on the lookout for a single heist—say, a bank robbery—that could provide a huge payoff.
存储过程内部设置的保存点的范围被限制为存储过程的单次执行。
The scope of savepoints set inside a stored procedure is restricted to the individual execution of the stored procedure.
单次充3小时后的电池能够让你骑行100英里，包括混凝土、沙地、土地或雪地等多种地形。
A single, 3-hour charge of the Hanebrink's battery will get you a 100-mile riding range over concrete, sand, dirt or snow.
由于单例对象作为实例存在而不是类的静态成员，所以你能够惰性地初始化单例对象，即只需要在第一次用它的时候才去创建它。
With singletons implemented as single instances instead of static class members, you can initialize the singleton lazily, creating it only when it is first used.
一个刚满19的大学新生，刚申报了她第一次税务单；就在离世前的一天，刚学会烤出第一只南瓜馅饼。
A 19-year-old freshman who had just filed her first tax return and learned, the day before she died, how to make a pumpkin pie.
这是麻省理工学院的化学工程师团队第一次观察到单离子通过一个微小的碳纳米管渠道进行运输。
For the first time, a team of MIT chemical engineers has observed single ions marching through a tiny carbon-nanotube channel.
文章也同时指出，确定十个最相近的膝盖准确率的数据为56%单次。
It was also able to pick the ten closest matches to a particular knee 56% of the time.
保持单次调用的一致需要做很多工作 ——接口、异步接口、实际实现和模块文件。
That's a lot of things to keep consistent for a single call -- the interface, the asynchronous interface, the actual implementation, and the module file.
前外交大臣戴维•米利班德（单穿衬衫的那位），不止一次地放弃了挑战戈登•布朗的机会，他现在仍稍稍领先。
David Miliband, the former foreign secretary (in shirtsleeves), who ducked more than one chance to challenge Gordon Brown, is still the narrow favourite.
前外交大臣戴维•米利班德（单穿衬衫的那位），不止一次地放弃了挑战戈登•布朗的机会，他现在仍稍稍领先。
David Miliband, the former foreign secretary (in shirtsleeves), who ducked more than one chance to challenge Gordon Brown, is still the narrow favourite.
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