虽然最初的目标是在可行的情况下提高船体，但是直到1982年1月所有必要信息都具备时，这项行动才得到批准。
While the original aim was to raise the hull if at all feasible, the operation was not given the go-ahead until January 1982, when all the necessary information was available.
我想，虽然金钱确实是美好和必要的，重读作者的作品是读者能支付给他们的最高货币。
I imagine that, while money is indeed wonderful and necessary, rereading an author's work is the highest currency a reader can pay them.
虽然对大多数历史学家来说，根据重要性对历史原因进行排序的必要性似乎是显而易见的，但这种等级制度引发了严重的哲学难题。
While the need to rank historical causes in some order of importance may seem obvious to most historians, such hierarchies raise serious philosophical difficulties.
虽然大象是大型动物，但在必要时它们可以悄悄地移动。
Although they are big animals, elephants can move silently when necessary.
虽然时尚的装扮并非绝对必要，但它能在很大程度上改变别人对你的看法。
While a stylish dress code is not absolutely necessary, it can drastically alter another person's perception of you.
他声称，自有住房量的提高(虽然量本身并不是必要的)与失业率增加是有关联的。
He claimed that increases in the level of home ownership (though not necessarily the level itself) are associated with rises in unemployment.
他已勉强决定这样做，虽然附带一切必要的条件。
Reluctantly, he has decided to do so-though with all the necessary provisos.
虽然我们仍要致力于必要的研究以找到预防HIV的疫苗，但是能够正式应用的产品在近期很难出现。
Although we remain committed to the research necessary to find a preventive HIV vaccine, a licensed product is not likely to be available in the near future.
虽然聪明的小孩可能没有必要在学习简单的低年级功课时刻苦努力，但是当课程加深后他们会学地很费力而且成绩很差，原因在于他们并没有认真去学。
Although smart kids may not need to work hard in the lower grades, when the work is easy, they may struggle and perform poorly when the work gets harder because they do not make the effort to learn.
他们辩称，自己的合作虽然未经允许，但这也只是为了进行必要技能的实践，以便将来获得一份好工作和得到晋升。
They argue that their collaboration, even when not permitted, is simply gaining practice at a skill they need to acquire to get a good job and advance,” he says.
当我们从“目前的”转移到“将来的”时，我们的许多业务角色被演化成了系统中真实的用户和接口，虽然有意义的重构是必要的。
As we moved from "as is" to "to be," many of our business actors evolved into true users and interfaces within the system, although significant restructuring was required.
执行这项工作所需的信息虽然复杂，但能得到，而且提前的规划通常是不必要的挫折和必然的成功之间的分水岭。
The information you need to do the job, however complex, is available, and up front planning is often the difference between unnecessary frustration and ceratin success.
W：当然，虽然预订不是非常必要，但当人多的时候还是预订比较好。
W: Of course. Reservations aren't necessary, but we recommend them as our restaurant can get quite busy.
打破那种对自己的拥有既进行自我判断又要以别人的标准来进行判断的习惯，虽然打破它会有双重的困难，但其必要性也是加倍的。
If you judge yourself and let others judge you by how much you own, breaking the habit is going to be doubly difficult, and doubly necessary.
虽然很难，但是十分必要。
虽然逛了很久也逛了很多家店，最后还是感觉没有必要买其他的东西。
Though I took some time to stroll around, and even visited a few stores, I didn't feel the need to buy anything.
向储藏室放置东西的时候会花费你的一些时间，但这是有必要的，虽然一个盒子的掉落不会带来什么，但是如果你不花费时间去捡起它，那么到最后你的储藏室也将会像把东西都放在家里一样乱。
Though dropping a box off from time to time seems harmless, they add up quick and your storage unit will end up as cluttered and confused as your closets may once have been.
Zalasiewicz的专家们的回答是肯定的。虽然不必要一定是你所期望的理由。
The answer, Zalasiewicz's group decided, is yes-though not necessarily for the reasons you'd expect.
在一种情况下，当用户界面仍然在变化时，测试脚本已经被完成了；虽然一些返工是必要的，但是变化的出现是相当容易集成的。
In one case, the test scripts were finished while the user interface was still changing; although some rework was necessary, the changes turned out to be fairly easy to integrate.
虽然逻辑分解常常是必要的，但是对系统建模来说是不够的。
And while logical decomposition is often essential, it is not sufficient for system modeling.
虽然在必要的情况下，开发人员可以使用这些文件来修改并进行调试，但是一般这些文件是功能完全的，并且不应该触及的。
While these files are available for the developer to modify and debug if necessary, in general they are fully functional and should not be touched.
不少家庭中，虽然计算机和手机是必要的，父母还是鼓励孩子连写这些传统的技能。
In households, parents generally encourage the kids to practice the traditional skills while computers and mobiles are necessary.
虽然他们付了钱，但我们没必要提供'这种服务'。
虽然没有必要这样做，但是这样做是很方便的。
It's not necessary to do that, but it can be quite convenient.
虽然关于如何运行基准的细节超出了我们的讨论范围，但仍有必要介绍一遍一些关键的方面。
Although the details of how to run the benchmark is out of the scope of our discussion, it is still worth going through some of the key aspects.
他说降价虽然是治疗销售节奏缓慢的一剂方子，但没有这个必要。
That's a recipe for a slower pace of sales, but not necessarily lower prices, he says.
他说降价虽然是治疗销售节奏缓慢的一剂方子，但没有这个必要。
That's a recipe for a slower pace of sales, but not necessarily lower prices, he says.
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