如果类不用于延长的时间，则JVM还可以选择卸载这些类。
The JVM can also choose to unload classes if the class has not been used for an extended period of time.
他们延长的时间已经过了他们权利和财富的世界，改变的时候到了。
They have extended their world of power and wealth well past the agreed timeframe, and this is to change.
交通不便的地区，办理时间可以适当延长，但延长的时间不得超过三十日。
For the regions where the communication is underdeveloped, the handling time may be appropriately extended, but the extension shall not exceed 30 days.
新闻记者采访了一些购物专家向他们了解了如何才能淘到最优惠的商品和如何更好的利用延长的时间。
S. News spoke with some shopping experts to find out how consumers can score the best deals this year and make the most of the longer store hours.
学生平均每天要花三个小时来完成作业，但是如果遇到难题，完成作业的时间就得延长。
On average, students have to spend 3 hours finishing homework every day, but if we are stuck by difficult questions, the time will be extended.
自20世纪70年代以来，美国边际税率的下降使得延长工作时间更有利可图。
Falls in marginal tax rates in America since the 1970s have made it all the more profitable to work longer.
各种干预措施，如抗感染药物，可以增加人口的平均存活时间，但只有那些减缓人体衰老速度的方法才能延长最长寿命。
Various interventions, such as infection-fighting drugs, can increase a population's average survival time, but only approaches that slow the body's rate of aging will increase the maximum lifespan.
然而，它们和其他猴子必须被跟踪更长的时间，以了解低卡路里摄入是否可以延长猴子的平均寿命和最长寿命。
They and the other monkeys must be followed still longer, however, to know whether low-calorie intake can increase both average and maximum lifespans in monkeys.
到上午9点33分，额外激增的交通流量可能会将时间延长到145秒。
By 9:33 am, a burst of additional traffic might push it to 145 seconds.
虽然还没有发现一种速度与光一样或比光还快的物质，但科学实验已经证实，加速运动会延长旅行者的时间。
Although no form of matter yet discovered, moves as fast as or faster than light, scientific experiments has already confirmed that accelerated motion causes a traveler's time to be stretched.
虽然还没有发现一种速度与光一样或比光还快的物质，但科学实验已经证实，加速运动会延长旅行者的时间。
Although no form of matter yet discovered, moves as fast as or faster than light, scientific experiments have already confirmed that accelerated motion causes a traveler's time to be stretched.
异斯皮洛宁和鼠基二肽（MDP）可以促进动物的免疫功能，并延长小鼠和兔子的睡眠时间。
Isoprinosine and muramyl dipeptide (MDP) could promote animal immune function, and prolong the sleeping time of mice and rabbits.
随着感染时间的不断延长，活性氧的产生速率逐渐降低，同时光合作用逐渐减弱。
With lastingness of infection, the productive rate of reactive oxygen species decreased gradually, and photosynthesis also weakened.
绝不将防晒霜用于延长暴露于太阳的时间。
Sunscreen should never be used to prolong the duration of sun exposure.
试着每天练习几分钟，然后看看能不能延长全然专注的时间。
Try doing that for a few minutes each day, and see if you can extend that length of time in which you are completely focused progressively.
他们的科学家后来终于开始了解血型的重要性，并且试验出了抗血凝的方法，以延长血液的保存时间。
Their scientists eventually began to understand the importance of blood type, and experimented with anticoagulants in order to extend the lifespan of their stores.
这个主意就是为了延长购物者的“逗留时间”：人们花在商店里的时间。
The idea is to boost "dwell time" : the length of time people spend in a store.
她很快学会害怕，甚至是最普通的工作人员的评估，因为它可能延长她驻留的时间。
She quickly learns to fear even the most mediocre staff member's evaluation, because it may lengthen her stay.
而古典音乐则给了作曲家这样一个工具，在音乐的美妙与冲突之间，让他可以延长或压缩时间的感觉。
Classical music, though, gives the composer the tools to extend or elide time in the service of beauty and irony.
如果团队针对每一次迭代开发创建用户描述(而不是尽早创建)，那么会浪费宝贵的时间，并且将延长作出规划的时间。
If the team is creating the user stories from iteration to iteration (instead of as early as possible), you can waste valuable time, and it can take longer to do your planning.
延长时间比预期的长。
我们的研究显示，在周末或假期延长睡眠时间可以降低超重或肥胖的风险。
Our study suggests sleeping longer on weekends or holidays could lower the risk of being overweight or obese.
但是这可能会延长这些资产必要的触底时间，从而延长这场危机持续的时间。
But it may also prolong the period necessary for asset prices to reach their natural floor, dragging out the crisis.
通用汽车和福特也准备在年终通常的两个星期停产时间外，再延长一些工厂的关闭时间。
General Motors and Ford are also closing some plants beyond the usual two-week end of year production break.
然而，JIT编译器还必须注意抵消它编译程序消耗的时间，因为这些时间将延长程序的执行时间。
However, the JIT compiler must also carefully balance the time it takes to compile a program because that time adds to the program's execution time.
而且服务时间总是漫无目的地被延长：例如，90个小时的社区服务时间延长至两年。
And they are often strung out pointlessly: 90 hours of community service, for example, to be carried out over two years.
而且，随着玩游戏时间的延长，所获得的奖励将会减少。
Also, the rewards for playing online decrease the longer the game is played.
不给予该药物优先审批权的决定意味着将大大延长进入审批过程的时间。
The decision not to give the drug a priority status means it will take significantly longer to move through the review process.
但是越来越多的证据表明早期的治疗可以延长病人的健康时间。
But there is mounting evidence that early treatment keeps infected people healthy longer.
但是越来越多的证据表明早期的治疗可以延长病人的健康时间。
But there is mounting evidence that early treatment keeps infected people healthy longer.
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