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However, the operative site in optical center, the influence of the operator and the equipment, make almost all patients have the different degrees of ametropia and asthenopia and influence the recovery of the vision. These questions are very difficult to solve.

但手术部位多在光学中心，加之手术人员、设备等诸多因素的影响，几乎所有患者术后均存在不同程度的屈光不正而影响视力恢复，并引起不同程度的视疲劳，一直是眼科界难以解决的问题。

Amoebocyte ROS production was increased at low salinity and at the lowest temperature tested (6 degrees C).

在低盐和所测的最低温条件（6℃）下阿米巴和活性氧的产量是增加的。

So it may be inferred that the protolith of the amphibolite is the product of different degrees of partial melting of the mantle in a magma arc.

显示出壳源性质或者是受到大陆下地壳的混染作用而形成。

By degrees the sun disappeared behind the western horizon; but as though to prove the truth of the fanciful ideas in heathen mythology, its indiscreet rays reappeared on the summit of every wave, as if the god of fire had just sunk upon the bosom of Amphitrite, who in vain endeavored to hide her lover beneath her azure mantle.

渐渐地，太阳消失在西方的地平线上了：但象是要证实神话家的幻想似的，尚未收尽的余辉象火焰一般跳动在每一个波浪的浪尖上，似乎告诉人们海神安费德丽蒂把火神拥在怀抱里，她虽然竭力要把她的爱人掩藏在她那蔚蓝的大毯子底下，却始终掩饰不住。

The measure is shown in digital format and analog 0 to 180 degrees.

这个措施是显示在数字格式，模拟0至180度。

Before operation, all the patients had anchylosis at the different degrees and the total activity range of the hip joint was 30-110% Among the 15 patients, 4 had the limb-length discrepancy of 2-6 cm （average, 3.8 cm） and 2 had a severe scar after the sinus was closed.

所有患者术前均有不同程度的关节僵硬，髋关节各方向活动度总和为30～110 。4例患者下肢有2～6cm的短缩，平均3.8cm.2例患者窦道闭合后形成贴骨瘢痕。

The unit of plane angle adopted under the System International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees).

国际单位制采用的平面角单位；长度等于半径的弧所对的圆心角。

It comprises an in-put shaft hinged to its yoke through one axis, and an out-put shaft also hinged to its yoke through another axis, and these two yokes (13) were combined together by only one axis position, perpendicular to that two yoke axes like a cross, so that this combined axis will bend just like the angle bisector of that two shafts to maintain its constant velocity by a few methods, firstly, by using a section of gear teeth mesh at both ends of the shafts' teeth were so polished so that it can turn longitudinally as usual gear, and also sideways, to provide a larger solid angle of turning from ordinary 45 degrees into 60 or even more.

它包括输入轴，其通过一根轴铰链连接于叉形支架，和输出轴，其通过另一根轴也铰链连接于其叉形支架。并且这两个叉形支架(13)只需用一根相对垂直铰链轴相连而组合在一起，使得这种组合的轴总能形成这两个轴的角平分线，以通过少数几种方法保持其恒速，首先，通过用啮合在轴的两端的一段齿轮齿抛光为以能够像普通齿轮一样纵向转动，并且还能够侧向转动，以提供较大的转向立体角，从通常的45度变成60度或更大。

In the example illustrated here, flight conditions are: altitude of 700 m, speed of 55 m/s, and attack angle of 0 degrees.

在这里的例子说明，飞行条件是：海拔700米，速度55米/秒，和攻角在0度。

The plane dips to the south with a dip angle of fifty-five degrees.

倾斜断面倾向南，倾角55度。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。