This is why most legacy Comet solutions simply use long-polling.
这也是为什么大多数遗留Comet解决方案简单的使用长轮询的原因。
One sure way to push away the spider is to use long, dynamic URLs for your pages.
会阻碍爬行器的一个问题是对页面使用长的动态url。
Even though you can use long file names in Windows, you should not necessarily do so.
Windows允许你使用长的文件名，但这不是说你就应该这么做。
When we use long-term memory, we retain information for a considerable length of time.
当我们使用长期的记忆的时候，我们为时间的相当多长度保有数据。
Even though Windows allows you to use long file names, it does not necessarily mean you should.
Windows允许你使用长的文件名，但这不是说你就应该这么做。
If you use long database, table or column names and create jobs using onpladm, you cannot run these jobs using ipload.
如果使用长的数据库名、表名或列名，并使用onpladm创建任务，那么就不能使用ipload运行这些任务。
There may be pitfalls when you use long long types for function arguments, unless you declare function prototypes.
如果不声明函数原型，使用long long类型作为函数的参数可能会引起一些意想不到的错误。
Or you might use long-distance communication lines, telephone lines, located close to the external data unit information.
或者你可能使用远程通讯线、电话线、接近位于外部数据单元的信息。
First, this paper analyzes the reasons why we use long questionnaires in sample survey and its influence on data quality.
本文首先分析了在抽样调查中通常采用较长问卷的缘由，以及较长问卷对数据质量产生的影响。
Use Long Exposures a venue is rarely entirely empty; and we can't waste precious seconds waiting for people to clear the room.
使用长时间曝光。婚礼场地很少有完全空的时候，我们不能浪费我们珍贵的时间等所有人都离开房间。
Actually in the customer when the choose and buy, like to ask a question is Germany sun battery can use long time, that is life.
其实在顾客选购时，喜欢问一个问题就是德国阳光蓄电池能够使用多长时间，也就是使用寿命。
Once airborne, they use long pectoral fins and shorter pelvic fins on the sides of their bodies to create lift, much like the wings of an aircraft.
达到空中后，他们利用身侧的长胸鳍及短腹鳍产生升力，类似于机翼。
First, you should give some thought to what image format you are going to use long term, before you end up with many images in a format that you later regret.
首先，您应该考虑一下打算长期使用什么图像格式，免得最终有了一大堆某种格式的图像之后再来后悔就晚了。
We will be training Ethiopian scientists in the use of satellite and radar technology - skills they will be able to continue to use long after this programme has ended.
我们将培训埃塞俄比亚科学家使用卫星和雷达技术，这些技术在项目结束后相当长的一段时间内他们可以继续使用。
Comet applications use long-lived HTTP connections between the client and server to allow the server to respond lazily, pushing new data to the client as it becomes available.
Comet应用程序在客户机和服务器之间使用长期的HTTP连接，允许服务器进行延迟响应，当新数据可用时把它推到客户机。
If the charcoal does fail to light, use a special liquid spray and light it with a long taper.
如果木炭确实点不着，喷一种专用液体喷雾剂，再用一根长蜡烛把它点燃。
Long before the use of machinery and fertilizers, industrious and creative farmers had already used different kinds of methods to increase crop yields.
早在使用机械和化肥之前，勤劳和富有创造性的中国农民就已经采用各种各样的方法来增加农作物产量。
It is still a very long way before we humans will use real green products.
我们人类要使用真正的绿色产品，还有很长的路要走。
Many people also don't use sunscreen properly—applying insufficient amounts, failing to reapply after a couple of hours and staying in the sun too long.
许多人也没有正确地使用防晒霜——涂抹的量不够，几个小时后没有重新涂抹，并且在阳光下待太长时间。
He taught me how to use the long and sharp hoe.
他教我如何使用那长长的尖锄头。
In the long history of mankind, humans who use numbers are a very small minority.
在人类漫长的历史中，使用数字的人占极少数。
The United States National Resource Defense Council has found that DDT was the most popular of a long list of dangerous chemicals in use.
美国国家资源保护委员会发现DDT是一系列使用中的危险化学品里最受欢迎的一种。
Prohibition on the use of certain hardwoods for furniture and building materials goes a long way towards protecting forests and thus the flora and fauna within that habitat.
禁止使用某些硬木作为家具和建筑材料对保护森林，进而保护该生活环境内的动植物大有帮助。
Health and environmental advocates have long urged US government agencies to tighten the use of some of the 11 chemicals the report cites and called for more studies on their long-term effects.
长期以来，健康和环保倡导者们一直在敦促美国政府部门加强对报告中提及的11种化学物品的使用管制，并呼吁对化学品的长期影响进行更多的研究。
Did she use to have long hair?
她过去留长发吗？
It can be renewed for additional ten-year periods indefinitely as long as the mark's use continues.
只要商标继续使用，它可以无限期延长10年。
At the moment she understood: a common thing will be so beautiful as long as you make use of it.
这时她明白了：平凡的东西，只要你好好利用它，也会那么美好的。
We need a long time practice to learn how to use the scissors and how to paint.
我们需要长时间的练习来学习如何使用剪刀和如何画画。
Pitcher plants use yet another strategy, growing long tube-shaped leaves to imprison their prey.
猪笼草使用了另一种策略，它们长出长长的管状叶子来囚禁猎物。
Pitcher plants use yet another strategy, growing long tube-shaped leaves to imprison their prey.
猪笼草使用了另一种策略，它们长出长长的管状叶子来囚禁猎物。
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