Throughout the history of gyro testing on servo runs, these timers have proven irreplaceable for backup data behind far more complex timing devices

从整个伺服运转的陀螺试验过程来看，证明不能用后来更复杂的记时装置代替这种记时器来得到辅助数据。

The UN plays an irreplaceable role in maintaining world peace, achieving universal security and promoting common development

联合国在维护世界和平、实现普遍安全、促进共同发展方面具有不可替代的作用。

Don’t be irreplaceable--if you can’t be replaced, you can’t be promoted

切勿成为不可替代的人--如果没人能取代你，你便无法得到提升。

and irreplaceable damages will be caused to his or its lawful rights and interests if the act is not stopped in time,

如不及时制止将会使其合法权益受到难以弥补的损害的，

There is hardly any material placed by Providence in this country which is so much wasted as human life and human strength and human intellect the most precious and irreplaceable material of all

上天赋予我国的资源，浪费最严重的莫过于人的生命、人的

The ensuing losses, both on a personal and national level, were inestimable and irreplaceable .

无论在个人或国家的层次上，这个损失是极为惨重并难以弥补的。

It is otiose to say that no amount of monetary recompense to Iraq can adequately compensate it for the irreplaceable loss of its sacred cultural heritage

伊拉克所失去的珍贵文化遗产是金钱所不能补偿的。

Special requirements can be associated with software, electronic media, hazardous materials, products requiring special people for service, installation or application, and products or materials that are unique or irreplaceable .

这些特殊要求可能与软件、电子媒体、危险材料、要求具备特殊技能的人员提供服务、安装或应用的产品、以及与独特的或不可替代的产品或材料有关。

||1:The idea that natural assets are substitutable makes some environmentalists (including some contributors to the report) nervous.||2:Many of the services the environment provides, like clean water and air, are irreplaceable necessities, they point out.||3:In theory, however, the undoubted value of these natural treasures should be reflected in their price, which should rise steeply as they become more scarce.||4:A good asset manager will then husband them carefully, knowing that it will take an ever-increasing amount of human or physical capital to make up for further losses of the natural kind.

||1:“自 然资产可替代论”让一些环保主义者（包括参与报告的人）不由捏一把冷汗。||2:他们指出，自然所给予人类的供养，如洁净的水和空气是无法替代的必需品。||3:然而，理 论上，这些自然财富不容置疑的价值应该通过价格体现出来，而价格会随着它们的稀缺而水涨船高。||4:一位资深的资产管理人会谨慎使用这些资产，因为他知道自然资 本的空洞将变本加厉地吸取人力资本或物质资本。

“In the short term, China is irreplaceable , ” says Xu Dongsheng, deputy secretary general of the China Household Electrical Appliances Assn.

“短期内，中国是不可取代的”，徐东生说道，中国家电协会副秘书长。

“This is an important site, ” Ford said in a telephone interview, adding many species were “irreplaceable ” .

“这是一处重要的地点，”Ford接受电话采访时表示，补充说很多物种属“不可替代的”。

“The problem, really at the core, ” he said, “is that Steve Jobs’s inspiration is irreplaceable . ”

“真正核心的问题在于，”他补充说到，“史蒂夫·乔布斯的灵感是不可替代的。”

Whether or not Mr Buffett is in fact as irreplaceable as it suggests is beside the point.

巴菲特是否真像惠誉所暗示的那样无可取代并不重要。

It is gratifying to be irreplaceable but it should also be worrying, even to a man whose mother is still alive at 102.

不可替代虽然让人很有满足感，但也应该令人担心，即便默多克的母亲102岁了仍然健在。

The harsh reality is that nobody is irreplaceable .

残酷的现实是，没有什么人是不可替代的。

Besides salt, butter is probably the single most irreplaceable ingredient in all the culinary arts.

除了盐，奶油也是烹饪中不可替代的成分。

But while regulators may cheer a timely intervention, it is hard to escape the fact that Mr Buffett is both irreplaceable and 80.

但是在监管机构对巴菲特的及时干预感到欢欣鼓舞的同时，我们很难回避一个现实：巴菲特不可替代，但他已经80岁了。

Ground cover plants played an irreplaceable role in constructing the urban garden landscape.

地被植物为营造城市园林景观发挥了不可替代的作用。

A science thesis is a formal, archived, irreplaceable document which takes a major partof a scientist’s work.

顶级“科博”梅耶斯承认，作为一种正式的、可归档的文件，标准的科学论文是不可替代的，他们是科学家的主体工作。

Non governmental organizations have irreplaceable functions in resolving and meeting these social needs.

非政府组织在解决和满足这些社会需求时有不可替代的作用。

But even then, his sister’s loyal friends were irreplaceable , he says, providing both practical and emotional sustenance.

菲尔说，即使有了护工，他姐姐的忠实朋友们也不可替代，他们在生活上和感情上提供的支持都至关重要。

No doubt losing someone of Jobs’ vision is difficult, but nobody is irreplaceable .

毫无疑问失去了乔布斯的高瞻远瞩固然有些可惜，但没有人是不可替代的。

For his, a few feminine poets in Baiyangdian poetry tribe has irreplaceable value in the development of new poetry.

基于此，白洋淀诗群中的几位女性诗人就具有不可替代的新诗史价值。

She said that India had lost an irreplaceable part of its heritage.

她说博语言的消失使印度失去了其宝贵的文化遗产。

These sayings indicate the importance of soup for its irreplaceable functions for human body to absorb the nutrition and maintain balance.

可见汤的重要性，对营养的摄入和对人体的阴阳调和皆有着不可替代的作用。

Another senior monk said: “The enigma of the Dalai Lama is irreplaceable . ”

另一位高僧表示：“达赖喇嘛的魅力是无可取代的。”

Advertising as a way of marketing communications, the development of enterprises have played an irreplaceable role.

留学解答资讯网：广告作为一种营销传播方式对企业的发展来说具有不可替代的作用。

No one is irreplaceable .

没有人是不可替代的。

“Fortunately, nothing irreplaceable was lost, ” Meyer said. “We have duplicates. ”

梅耶说，“幸运的是，我们有拷贝，没有损失什么独一无二的资料。”

“We’re upset because they are important pieces and irreplaceable , ” said gallery director.

美术馆馆长表示：“我们很难过，因为这些画作非常重要，而且不可替代。”

irreplaceable set

不容易补全的一套书刊(通常指珍贵过刊)

irreplaceable injury

无法弥补的损害