查询词典 as sharp as a razor

The grids can be densified locally where the flow is complicated for the sharp change of water depth.(5) 2-D hydrodynamic equations in the generalized curvilinear coordinates have been derived with the contravariant velocities as main variables. The new equations keep the original styles and physical meanings. Based on the water depth correction method, the 2-D flow numerical model has been established and validated by the measured data.

推导了广义曲线坐标系下以逆变流速张量作为主变量的二维水动力方程，新方程保持原有结构形式及物理含义，采用水位校正法建立了二维水流数学模型，经实测资料验证后的模型，模拟并分析了分流角度、宽深比等因素变化对分汊流平面二维水流结构的影响。

The results show that the dynamic force and thermal conditions of forming the squall line were the convergence of cold air from Mongolia cold vortex and the warm-humid air current before west trough to form the convectional system at moderate 3 scale; the rapid development and southward shift of MβCSs was caused by a strong unstable stratification and the shear line of suitable vertical wind; a heavy hail occurred after a vertical liquid water content over 65 kg/m^2 was firstly measured by weather radar; a sharp reduction of VIL indicates that a disaster strong wind will occur at soon.

结果表明：蒙古冷涡旋转下甩冷空气与西风槽前的暖湿气流汇合，形成中p尺度的对流系统是飑线形成的前期动力和热力条件；强的不稳定层结和合适的垂直风切变导致了MβCSs的迅速发展和南压；在天气雷达首次观测到垂直液态水含量值超过65kg/平方公尺后2h内出现了大冰雹；垂直液态水含量的突然减小标志着灾害性大风的开始。

As he did he caught the track, the dissipate and minuscule trace of coppery scent, and just as quickly his eyes adjusted to the darkness, the world spread out in a sharp detail of dusky colored shapes sliced by moonlight silver and streetlamp light.

就如他做的，他捕捉了轨道，那使和消散含铜气味的草写小字痕迹，而且正如很快地他的眼睛对黑暗调整，世界在一件被有月光银和街灯光切成薄片的微暗彩形状的锐利细节中的外传布。

Corona discharge : this is a non-thermal discharge generated by the application of high voltage to sharp electrode tips.

电晕放电：这是一个非热放电产生的应用高电压急剧电极秘诀。

In this sharp composite from the Hubble Space Telescope, Fomalhaut's surrounding ring of dusty debris is imaged in detail, with overwhelming glare from the star masked by an occulting disk in the camera's coronagraph.

在这幅来自哈勃空间望远镜的精细合成图像中，北落师门周围的尘埃环的碎片能够精细展现，并且在相机的日冕观测仪下，能够观测到被一神秘圆盘遮蔽的恒星发出十分耀眼的光线。

Acids are chemical compounds that, in water solution, have a sharp taste, a corrosive action on metals

酸是一种化合物，它在溶于水时具有强烈的气味和对金属的腐蚀性

In this position do sharp microrotations clockwise and counterclockwise.

在这个位置对主轴做一下顺时针和逆时针移动。

It basically operates the main point as follows: The left hand holds the ticket, the palm is downward, the thumb is pinned in the middle of the left end of the front of the bank note, the forefinger and middle finger are on the back of the bank note, pinch the bank note together with thumb; Left hand the third finger naturally curly, pinch, get up bank note little finger stretch to bank note front push down bank note below the Left deviation; The middle finger of left hand is exerted oneself slightly, the bank note of tight card together with the third finger, little finger; The left hand forefinger is stretched, the thumb is moved upwards, pin the side of the bank note, keep the bank note into the tile shape; Left hand wipe from tabletop bank note, bank note turn, thumb strength wiped from tabletop to borrow prop up bank note covering of a fan and oblique to oneself of WeiKai Cheng; Three fingers of right hand dip in water, rotate and move the lower right corner of the bank note downwards sharp with the thumb, the forefinger cooperates with the thumb to rotate and move on the back of the bank note; Play in one's arms, count while ordering with right hand the third finger bank note got up to rotate; Pay attention to the posture at the some paper money, the health is straight and upright, the eyes It must keep eyeball and bank note from,put dual tactics elbow at tabletop.

其基本操作要领如下：左手持票，手心向下，拇指按住钞票正面的左端中央，食指和中指在钞票背面，与拇指一起捏住钞票；左手无名指自然卷曲，捏起钞票后小拇指伸向钞票正面压住钞票左下方；左手中指稍用力，与无名指、小拇指一起紧卡钞票；左手食指伸直，拇指向上移动，按住钞票的侧面，将钞票压成瓦形；左手将钞票从桌面上擦过，钞票翻转，拇指借从桌面上擦过的力量将钞票撑成微开的扇面并斜对自己面前；右手三个指头沾水，用拇指尖向下捻动钞票右下角，食指在钞票背面配合拇指捻动；用右手无名指将捻起的钞票往怀里弹，边点边记数；点钞时注意姿式，身体挺直，眼睛和钞票保持一定距离，两手肘部放在桌面上。

I am sharp enough to crack some jokes and give other classmates useful comments.

课堂上我还说了些笑话，又给予其他同学不少意见。

The women first crack the shells with sharp stones.

妇女们首先尖锐的石头把果实敲碎。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。