It is still difficult to cure CD.
CD仍是难以治愈的疾病。
It is still difficult to be wealthy in China.
在中国，做个富人仍然不是件容易的事情。
But it is still difficult to measure and control the content of aluminum in the zinc bath.
但锌池中铝含量的测量与控制还存在困难。
Therefore, in virtual experiment system, it is still difficult to meet users 'request, though it provides many common equipments.
因此，在模拟电路虚拟实验系统中，虽然提供了许多常用的器材，但是依然难以满足广大用户的需要。
However, in terms of the present technology, we can only preserve the blood cells and some human organs by Cryotechnology. It is still difficult to save a single human organ.
但是，就目前技术而言，能低温保存的只有血液、细胞和部分的人体器官，要保存单个人体器官仍然非常困难。
Pheochromocytoma is an important cause of secondary hypertension, whose pathogenesis is yet to be clarified. It is still difficult to identify malignant cases at early stage.
嗜铬细胞瘤是引起继发性高血压的重要原因，其发病机制目前还不完全清楚，临床上早期鉴别良恶性肿瘤尚有困难。
The hardware environment for the ASP software is already full-fledged at present. But it is still difficult to develop and publish such kind of software for most software developers in China.
国内运行ASP模式软件的硬件条件目前已基本成熟，但开发并发布一套完善的ASP模式软件对于国内大多数软件开发商而言，仍然存在一定的难度。
Although present technologies can be applied to realize the interoperability of specific distributed retrieval systems, it is still difficult to establish universal interoperability specifications.
现有的技术对于实现具体的、个别的分布式检索系统的互操作虽然没有问题，但要建立普遍意义的互操作规范，尚有一定难度。
"It is still difficult for a biped robot to walk on a bumpy surface, even on Earth," the official said.
“即使在地球上，两足机器人也很难在崎岖不平的地面上行走。”这位官员说。
It is still quite difficult because he is 18, still a teenager. But he will engage and talk to me. We have been on holiday together.
这对他来说还是有一定难度，因为他才18岁，还是个少年。但是他保证过并且和我聊过。我们曾一起去度假。
It is still not known why the control mechanism breaks down in some people, but the results are very difficult to treat.
但我们还是不知道，在某些人群中这样的控制机理失效的原因，只知道这样的疾病极难治疗。
It is still difficult for me to realise that I have no absolute claim to keep up a close relationship with things, merely because I have gathered them together.
现在我仍然很难意识到，我不能仅仅因为我把东西收集在一起，就拥有绝对的权利要求和它们保持亲密关系。
It is difficult for clients to understand the make-up of these trades and still harder to challenge prices since they are often protected by confidentiality agreements.
客户难以理解这些交易的结构，也更难以对交易价格提出异议，因为它们通常受到保密协议的保护。
Our flesh is so full of energy it is difficult for us to just be still.
由于我们的身体充满着能量，要让我们静下来，对我们而言实在是太难了。
Still, some school administrators argue that it is difficult to distinguish innocent pranks and mistakes from more serious threats, and that the policies must be strict to protect students.
然而，一些学校管理层认为，很难分辨哪些是无知的玩笑和过失，哪些是严重的威胁，因此制度一定要严苛才能保护学生。
It is difficult to know what other analysts think, since Mr. George is just about the only one who still covers Fannie Mae's stock.
很难知道其他分析师是怎么想的，因为乔治先生几乎是唯一一个还在关注房利美股票的分析师了。
Broadband is not shown on the chart because in countries where it is still rare, its high cost swamps the chart and makes it difficult to read.
宽带在图表中没有体现，因为有些国家宽带仍属稀有之物，其高成本会淹没图表，使图表变得难以阅读。
We also want to help our customer lower the skill barriers: it is still too difficult to find skilled SOA developers, architects and quality analysts.
我们也想帮助我们的客户降低技术门槛：找到有能力的SOA开发者、架构师和质量分析师依旧太难。
It is difficult to know what other analysts think, since Mr.George is just about the only one who still covers Fannie Mae's stock.
很难知道其他分析师是怎么想的，因为乔治先生几乎是唯一一个还在关注房利美股票的分析师了。
For believe me, we know how difficult The Times in the duality are for you. We know how sensitive you are, how vulnerable, how difficult it is for you to still perceive the density of the duality.
请相信我们，我们知道这对二元性中的你们有多么不容易，我们知道仍会感受到二元性密度的你们有多么敏感、脆弱及困难。
Third, it is difficult to support multiple roles and still maintain data integrity.
第三，很难在支持多个角色的同时仍维护数据完整性。
He admits it is difficult to make accurate comparisons, because the research is still in its infancy.
他承认很难作出精确的比较，因为这项研究仍处于初级阶段。
It is difficult for heroes to remain untarnished, still less Soviet ones, but on the 50th anniversary of the first human travel in space, such a fate is reserved for Yuri Gagarin.
英雄很难永葆昔日光环，更何况是苏联的英雄。然而在人类实现首次太空旅行的50周年纪念日，尤里·加加林却光芒依旧。
It is still extremely difficult for the BBC to visit the camps but we meet IDPs who have come into the town on temporary exit permits.
要去探访这些难民营，对BBC的记者来说，非常困难，但我们遇到了一些来自IDP的人，他们通过持有的出境证能够进入这个镇子。
It seems to be very difficult for a young, talented player to claimsporting just cause as long as he is still in training and an older and moreexperienced player is fielded instead.
年轻而富有资质的球员很难以正当的竞技理由解约，因其仍处在培养期，上场者通常为年龄较大、经验较丰富的球员。
It is difficult to find a decent upload control that handles large files, shows a progress bar, and still works in a medium-trust hosting environment.
很难找到一个像样的文件上传控件，能够上传大文件，显示当前进度并且能在浏览器的安全级别设置为中级的环境运行。
It is difficult to find a decent upload control that handles large files, shows a progress bar, and still works in a medium-trust hosting environment.
很难找到一个像样的文件上传控件，能够上传大文件，显示当前进度并且能在浏览器的安全级别设置为中级的环境运行。
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