查询词典 half-life

The voltage adjustable type can also be put into three-arm topology and half-bridge topology. The efficiency of three-arm structure is also up to 95%, while that of the half-bridge is about 90%.

电压调整型可分为全桥式架构和半桥式架构，其中全桥式架构之效率亦高达95%，而半桥式架构之效率约为90%。

When measuring, based on the segmented contour line of thread, we used the compiled measurement program to calculate and measure the geometrical parameters of the internal taper thread as pitch, half of thread angle and taper angle. Precisions of pitch, half of thread angle and taper angle reached ±0.012mm,±0.17° and ±0.018°. The results satisfied with the technique requirement of production. The reason of error was analyzed.

在测量尺寸时，使用自编程序计算测量内螺纹的螺距、牙型半形及锥角，测量精度分别达到±0.012mm、±0.17°和±0.018°，满足产品的技术要求，并分析了误差产生的原因。

Furthermore, we will assume this was a fairly small tile job resulting in the following losses: half a bag of grout, only 5 chipped tiles and half a bag of thin-set.

此外，我们将承担这是一个相当小瓦片就业造成了以下损失：半袋灌浆，只有5插话瓷砖、半袋瘦身设定。

Empty hearts 2-6 rivets and solid rivets and small self-tapping screw m2-m3 and non-standard, half-empty heart rivets; flat head mid-air heart rivets; large flat head mid-air heart rivets; ping cone half-empty heart rivets; heart-empty head rivets; ping spherical Cross; semicircle Cross; and semi-head Cross; Shen Tau Cross; Pan Head Cross, enterprises attach importance to product quality.

半空心铆钉和实心铆钉2-6和小型螺丝自攻m2-m3及非标，半圆半空心铆钉；平头半空心铆钉；大扁头半空心铆钉；平锥半空心铆钉；沉头半空心铆钉；平球面十字；半圆十字；半沉头十字；沉头十字；盘头十字，企业重视产品质量。

Then nail by the side of the another half with thumb tack and line, a heart constitutes to°from two halfs, our families are to constitute to°from two half hearts a heart.

然后用图钉和线钉在另一半边，一个心由两半组成，我们的家庭就是由两半心组成了一颗心。

That is a stump, a mast anchored in a shoal A door bescreening a deep alley A face of mountain, a stone wall on the mountain's waist, a time-worn relief reflecting on that wall I look up, unintentionally, and I see it receding into the darkness Oh, perhaps it's me Who is receding, half step by half step Or it's Time that keeps awake and nibbling at everything

那是一只木桩，一根锚在浅滩的桅杆一道藏着深巷的门一面山、山腰的石壁、石壁上磨得光滑的浮雕无意间抬头，见它在黑暗中缓缓后退哦，也许是我是我一点点地远离或者是时间，醒着的时间悄悄销蚀一切

The District Attorney remembered only too vividly the example of Abe 'Kid Twist' Reles, the government witness who had 'fallen 'out of a sixth-floor window of the Half Moon Holel in Coney Island while being guarded by half a dozen policemen.

地区检察官本人对于几年前艾贝的猝然死亡记忆犹新。艾贝·利尔斯当时是政府方面的证人，他被安排住在柯尼岛半月旅馆的六层楼上。虽然派了六七名警察日夜看守，不料他竟然从窗口&蹦&了出去，坠地身亡。

Side-step caffeine withdrawal headaches by switching to half-caffeinated, half-decaffeinated beverages.

若要逐步戒除咖啡因头疼，可以改喝半咖啡因、半无咖啡因饮料。

We were never engaged in business with more than one shabby-genteel man; and he was a drunken engraver, and lived in a damp back-parlour in a new row of houses at Camden-town, half street, half brick-field, somewhere near the canal.

我们唯一打过交道的一个死要面子先生是一个酒鬼雕刻师傅。他住在坎顿镇一排新房子后面潮湿的房子里。那个地方其实一半是街道，一半是砖块地，离运河不远。

Admittedly, half of this impressive number was comprised of either hopelessly outdated Renault FT tanks, unarmed tracked supply carriers or ramshackle tankettes and armoured cars, but some two hundred marginally useful tanks, mostly Skoda S-II-as together with seventy-odd Renault R-35s, half having been obtained when Polish Army formations were interned in Romania in the fall of 1939, provided the Royal Romanian Army's newly-constituted First Armoured Division with a modicum of an armoured force for the opening stages of the campaign.

当然，这个另人印象深刻的数字中有一半是那些古董般的雷诺FT坦克，无武装的运输车和快散架的小坦克，另一半则是差不多凑合着能用的坦克，主要是Skoda S-II-a和70几辆雷诺R-35，其中有一半是从波兰陷落后逃到罗国境内的波兰部队里扣下的。

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。