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AS The Economist went to press this week, physicists were aflutter about an expected announcement from one of the world's most important experiments searching for dark matter—the as-yet-undetected material that, if models of the universe are correct, is about six times as abundant as the familiar, visible stuff.

本周《经济学人》发刊之际，物理学界正在为一个预期的发布会兴奋雀跃着。届时，将宣布世界上一个最重要的实验的结果：寻找暗物质——一种尚未发现的物质。如果宇宙真如宇宙模型的描述般，宇宙中暗物质的含量将是人们熟悉的可见物质的6倍之多。

At this stage, if left undetected, the maggot will pop its way out of the small hole that it has eaten inside of the host and fall to the ground where they pupate into an adult botfly in about 20 days time.

如果在这一阶段它不被发现，蛆就会从那个从内部吃掉寄主的小洞里跑出来，掉到地上作蛹，在二十天的时间里变成成年马蝇。

The chromatic aberration of the Maxivision was so small that it is practically undetected by naked eye.

"大有可觀"鏡的色差是如此小量以致實際上不可以用肉眼察覺。

This type of clot is known as a chronic subdural haemorrhage, and can remain undetected for some time.

这种类型的血块是已知的作为慢性硬膜下出血，并能保持未被发现了一段时间。

Caterpillars burrow into the cobs before harvest and can go undetected , spoiling the crop .

毛毛虫洞穴进入芯收割前和可以去未被发现，破坏农作物。

In this paper two new lower bound s of undetected error probability for linear block codes in GF are obtained.

本文得到了GF上线性分组码不可检错误概率的两个新的下限，在一定程度上，改进了Wolf等人的结果。

This might be due to the dehydration reactions causing sugars to become unsaturated and highly reactive; the hexose reducing sugars are partially converted to 2-furaldehyde and 5-hydroxymethyl-2-furaldehyde[14], which might remain undetected in a reducing sugar test.

这可能是由于脱水反应导致糖成为饱和，高活性；己糖还原糖被部分转化为呋喃、5-hydroxymethyl-2-furaldehyde[14]，它可能仍然在一个还原糖含量测试。

Until recently, though, lax enforcement has meant that foreigners working illicitly have been able to stay undetected for years.

但是直到最近，这项规定的执行都不到位，外国人可能在华非法工作很多年而没有被发现。

Ribeiro stated in La Jornada: The potential of spermicidal corn as a biological weapon is outrageous, since it easily interbreeds with other varieties, is capable of going undetected and could lodge itself at the very core of indigenous and farming cultures.

在拉霍尔纳达的里贝罗说，把杀精玉米作为生物武器的潜在可能性是令人不能容忍的，因为它很容易便与其他品种杂交，很容易便能混入本地农耕作物的核心部位，并很难被发现。

The landing party was certain that the SDF-7's arrival in Garudaspace had not gone undetected by the Invid; the shuttle landing would probably be monitored as well.

着陆队能肯定SDF-7到达嘎鲁达空间时已经被因维人探测到；穿梭机着陆也可能会被监视。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。