查询词典 half-life period

The friendship which has subsisted between us now half a century, the harmony of our po1itical principles and pursuits have been sources of constant happiness to me through that long period.

你我之间的友谊迄今已经走过了半个世纪，我们在政治原则与追求上取得的协调在过去的漫漫岁月中为我带来了源源不断的快乐。

Consequently, seawater transgresses from East China Sea to yellow sea and connects half graben-like basin on the shelf and sea during short period.

通过对苏北盆地钻井岩心分析研究总结得出，在晚白垩世、古新世苏北盆地曾与海相通，并遭受海侵影响。

Within guarantee period, all equipments shall be maintained once every half a year, including maintaining circuits of all equipments, clearing oil and gas pipeline and air trunk, dedusting, removing oil left on fume exhaust cover and oil fume pipe line and clearing the oil fume pipeline etc.

一、所有设备的质量保证期为壹年（除人为破坏或不正常使用），保修时间自设备投入使用之日开始，保修期内所有设备每半年保养维护一次，包括所有设备的电路维护、油路、风路的疏通、除杂等；排油烟罩及油烟管的除油及疏通等。

Taekwondo training at two stages, the first phase of training for the color belt, and the belt is divided into nine levels, and beginners, will be subject to a period of training passed an examination before they can be promoted after, taekwondo 10th white belt, 9th, white-yellow belt, 8th yellow belt, 7 - yellow-green belt, 6th green blelt, 5th green-blue belt, 4th blue belt, 3rd blue-red belt, 2nd red belt, 1st red-black belt, students needs at least a year and a half after completion of the first phase of training to more stringent by the requirement to pass an examination for promotion to the second phase of Ho - Black Belt, Black Belt is divided into nine, a few paragraphs is embroidered in black at both ends, and the other for you, Black Belt to Black Belt for some to accept at least four to seven years hard training, but also need to be more than six taekwondo authorized official in charge of the test invigilator.

跆拳道训练分二个阶段，首阶段的为颜色带训练，而色带分为九个级别，而初学者，必须接受一段时间的培训经考试合格后方可晋升，跆拳道十级－白带，八级－黄带，七级－黄绿带，六级－绿带，五级－绿蓝带，四级－蓝带，三级－蓝红带，二级－红带，一级－红黑带，学员最少也需要一年半时间完成第一个阶段后再接受更严格训练经考试合格，方何晋升第二个阶段－黑带，黑带共分九段，段数是刺绣在黑带两端，而供议别，黑带一段至黑带四段要接受最少七年时间苦练，而且还需要得到跆拳道会授权六段以上的监考官负责监考。

Because the man body is strong, the washer is at half idle condition basically, after a considerable period of time, the electrical bill disbursement will reduce largely; Moreover, because the woman does not do laundry, hand nursing will spend (for example hand guard frost, tender skin frost, to go to shameless element, cuticle cream and so on) also largely to reduce.

由于男人身体强健，洗衣机基本处于半闲置状态，天长日久，电费支出会大幅减少；另外，由于女人不洗衣服，手部护理费（如护手霜、嫩肤霜、去死皮素、指甲油等）也会大幅降低。

Because the man body is strong, the washer is at half idle condition basically, after a considerable period of time, the electrical bill disbursement will reduce largely; Moreover, because the woman does not do laundry, hand nursing will spend (for example hand guard frost, tender skin frost, to go to shameless element, cuticle cream and so on) also largely to reduce.

由于男人身体强健，洗衣机基本处于半闲置状态，天长日久，电费支出会大幅减少；另外，由于女人不洗衣服，手部护理费（如护手霜、嫩肤霜、去死皮素、指甲油等）也会大幅降低。8。有利于男人拓展第二职业。

It was now two years and a half since the castaways from the balloon hadbeen thrown on Lincoln Island, and during that period there had been nocommunication between them and their fellow-creatures.

这群遇难的人从气球上掉到林肯岛上来已经有两年半了，在这期间，他们和外界始终没有联系。

For trucks, the Double Dees Half-ups tire is perfect for a variety of track surfaces, which combines the unique Double Dee lug technology, together with the sticky yellow and blue compound, allow the flexibility necessary to compete on even the most demanding surfaces for an extended period of time.

对于卡车，双迪斯半制成品的轮胎是完美的各种赛道的表面，它结合了独特的双迪耳技术，再加上粘黄色和蓝色的化合物，允许必要的灵活性，竞争，即使是最苛刻的表面在较长的时间。

Worrying for companies, the typical fraudster commits multiple offences over an extended period of time before being detected. Over half (51 percent) commit twenty or more frauds, and a third commit more than fifty. Two thirds commit frauds for between one and five years, and nearly one in ten get away with it for over six years.

由于害怕舞弊行为败露，舞弊者往往用新的舞弊行为来掩盖旧的舞弊行为，推迟舞弊行为被发现的时间。51％的舞弊者至少有20次的舞弊行为，1／3超过50次。2／3的舞弊者实施舞弊行为的时间跨度在1－5年，接近1/10的舞弊行为持续在6年以上。

And this was the fifties, the grayest, bleakest, most blinkered and culturally repressive period in the entire second half of the twentieth century, especially in small-town America., s' o5 '1 l7 ~ L q

再说，那可是五十年代啊。在整个二十世纪后半期，这是最阴郁，最黯淡，最盲目的时期，也是文化上最压抑的时期。美国小镇上的生活更是如此。； \5 L0 L5 A6 X$ M4 _2 z% L9 \： J

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。