Objective: To observe the changes in human corneal thickness before and after laser in situ keratomileusis ( LASIK), and discuss the effect of extra loss of corneal thickness on eye visual acuity.

I can see I'm gonna have to work extra hard.

我现在知道了我得下大功夫。

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You'll have to work extra hard to make up for it.

你们得更加努力工作来弥补。

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She tried extra hard.

她特别努力。

《牛津高阶英汉双解词典》

It was discovered that ( 1) the extra electron and hole injected by the applied electric field make the lattice relaxation, and bipolaron excitons are formed.

发现外电场注入的额外电子和空穴使电致发光高分子晶格弛豫，形成双极化子激子；

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Even for a few days after the time switch, motorists should exercise extra caution behind the wheel, especially commuters who have worked a long day.

即使在夏时制结束后的数日内，驾驶员在驾驶时也应当格外小心，尤其是工作了一白天的上班族。

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Hospitals have to invest in extra wide beds, wheel chairs, patient lifting devices and extra staff to help lift and transport patients.

医院不得不投资购进超宽的床位、轮椅、抬降患者的设备以及额外的工作人员来帮助抬和运送患者。

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With the simulation calculation of dynamic model, it indicates the extra eccentric mass of wheel is the main reason for shimmy.

通过对动力学模型的仿真计算，发现车轮过大的偏心质量是导致摆振的主要原因。

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Bringing forward the arithmetic for differentiating and analyzing the extra slope of wheel load signal;

提出汽车轮载信号的特征斜率辨识算法；

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I asked the florist for ten roses and he gave me a dozen for good measure. Measurement of the lateral strain can be accomplished using a lateral extensometer.

我向花商购买10枝玫瑰花，他给了我12枝，作为额外增补。侧向应变可用侧向引伸仪来测量。

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The Split-tuble Multiple-Point Borehole Extensometer

缝管式钻孔多点位移计

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The Principle and Its Application of Type WRM-3 Multi-Point Borehole Extensometer

WRM-3型钻孔多点位移计的结构原理与应用

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Slope deformation character analysis based on monitoring results of multiple multi-point borehole extensometer

基于多点位移计监测成果的坡体变形特征分析

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The early extensional fault controlled the structure systems, forming a series of compound structures of horst and graben and sedimentary facies in which many early sedimentary characters on slope, such as glide deformation and clastic flow can be seen.

早期伸展断层控制了同期的构造和沉积特征，形成一系列复式地垒和地堑的结构，在斜坡带见滑动变形、碎屑流等构造现象。

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Forming during Yanshanian period and influenced by the basement tectonics, the main structure styles in the research area are subdivided into three types& compressive fault block, extensional fault block, and thrust fold.

研究区主要的构造样式是在燕山期形成的，但也受到了基底构造的直接影响，所以比较复杂。其构造样式可以分为挤压块断、伸展断块、逆冲褶皱三种基本类型。

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Subsidence curve of the intercontinental foreland basins consists of two sections which are different from extensional fault depressions, the first section is a gentle curve of total subsidence and tectonic subsidence;

先缓后陡的两段式沉降曲线；

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However, the extensional fault which had strong activities in the Eocene or even in the Paleocene, become non-activity from Neogene to Quaternary.

而盆地区的伸展断层则在始新世甚至古新世就有强烈的活动，而在新近纪一第四纪时期基本不活动。

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The extensional fault systems are believed to be developed through the Cambrian, Ordovician, Early Silurian, Middle-Late Jurassic, and Paleogene.

伸展断裂系统发育于寒武纪、奥陶纪、早志留世、中-晚侏罗世和古近纪。

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In extensional fault, there are a lot of fluid inclusions with bigger size of grains and wider range ratio of vapor to liquid.

张性断裂流体包裹体数量多，粒径大，气液比变化范围大，常伴随出现沸腾包裹体群；

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Sand Box Analog Models of Extensional Fault Systems

伸展断层系统的砂箱模拟实验

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The results showed that drop deformation and breakup were sensitive to both shear and extensional flow fields. Extensional flow was more effective than shear flow in generating well-developed laminar PA6 phase.

结果表明：分散相PA6液滴的形成和破裂对剪切与拉伸流场的作用非常敏感，在拉伸流场作用下，更容易形成层状PA6分散相。

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