位置保持

Be sure to choose a pediatric wheelchair with a footrest that is low enough so that it allows the seat to be in contact with the entire thigh.

再有，注意选购装有脚踏板的轮椅，脚踏板最好位置适中，那样，轮椅的座位就能与大腿保持适中的位置。

Based on the data of 54 cases of local hailstone fall in central Gansu Province during the period from May to August of 2004-2006, the correlations between the VILmax or VILDmax and the geographical location of the regions with the maximal hailstone fall or the maximal diameter of hailstone cell on the ground as well as the Rmax discrimination are contrastively analyzed.

结果表明：①从总体上看，单体VILmax和VILDmax与地面最大降雹区的位置基本保持一致，且Rmax越大，一致性越好，但VILDmax与地面最大降雹区的位置比VILmax更接近。

On a Natural Pivot the Man will turn into CBMP and retain it; on the pivoting action the lady will achieve CBMP momentarily and lose it again almost immediately

在右轴转中，男士进入反身动作位置，并保持反身动作位置；在轴转动作中，女士暂时达到反身动作位置之后几乎马上结束这一状态。

The quantity of electricity is determined by a controlling circuit (20) and the actual positioning value is kept almost equal to the target positioning values.

电量大小是由一个调整回路（20）来确定的，并通过位置实际值保持大致相等于位置规定值。

The device comprises retaining means for keeping the lid (2, 3) in place in a sealing manner during treatment, and the retaining means comprise a bounding frame (10) that is circumferentially closed, with two interconnected end pieces (11, 12) situated at a distance from each other, which end pieces in a closed position can be slid over the pressure vessel (1) and thereby retain the end faces of the pressure vessel (1) in the axial direction.

所述装置包括用于在处理期间以密封方式将盖子(2、3)保持在适当的位置中的保持装置，并且所述保持装置包括沿圆周方向密封的围绕框架(10)，具有两个布置在相隔一定距离的位置处的互连端部件(11、12)，其中所述端部件在关闭位置中可滑到压力容器(1)上，从而沿轴向方向保持压力容器(1)的端面。

With the three axes circumrotation method, the position of the incident laser is unchanged, and the conversion from the complicate three-dimensional spatial position relation into a two-dimensional plane is realized, by adjusting the relative positions of the detector and the target with certain spatial conversion relation.

采用三轴旋转方式，保持入射光源的位置不变，调整探测器和待测目标的相对位置，配合一定的空间转换关系，实现了将复杂的三维空间位置关系转换到二维平面进行调节。

A hammer drill, in particular a chipper comprising: a body 2 having at least one support handle 4; an electric motor mounted within the body 2 ;an electric switch 22, capable of being switched on and off by a trigger button 8 connected to it, to activate or deactivate respectively the electric motor, wherein the trigger button 8 is moveable between two positions, a first position where the electric switch 22 is off and a second position where the electric switch 22 is on; a locking arm 38 moveably mounted on the electric switch 22 which, when the trigger button 8 is located in its second position, is moveable between two positions, a first position where it is disengaged from the trigger button 8 and a second position where it engages with the trigger button 8 and holds the trigger button 8 in its second position.

锤钻特别是錾，包括：本体(2)，该本体(2)具有至少一个支撑手柄(4)；安装在本体(2)内的电动马达；电开关(22)，该电开关(22)能够由连接到电开关(22)上的触发按钮(8)接通和断开，从而分别使电动马达启动或停用，其中该触发按钮(8)能够在两个位置即第一位置和第二位置之间移动，在该第一位置处电开关(22)断开，在该第二位置处电开关(22)接通；可移动地安装在电开关(22)上的锁紧臂(38)，当触发按钮(8)位于它的第二位置中时，该锁紧臂(38)能够在两个位置即第一位置和第二位置之间移动，在该第一位置处锁紧臂(38)与触发按钮(8)脱离，在该第二位置处锁紧臂(38)与触发按钮(8)接合并将触发按钮(8)保持在触发按钮(8)的第二位置中。

Constitution:the button-sewing machine comprises:a fixing means 构件 for fixing a buttonand an article being sewn;a moving means for moving the fixing means to stitch the button to the article being sewn with seams of a specified sewing pattern; a fixed blade; a moving blade for drawing a thread and then moving to cut the thread by the cooperation with the fixed blade;and a button,wherein the machine has a control means for controlling a fabric transferring means to move the button to a preset position before cutting the thread.

一种钉扣机，设置有布料保持件的可动、固定切换机构，该切换机构在钉扣缝制时可在以下两种状态之间进行切换：将布料保持件固定保持在规定位置上从而停止该布料保持件在左右方向上的移动的状态、或者解除对布料保持件的位置固定从而使该布料保持件通过可动台与纽扣保持件一起在前后方向、左右方向上移动的状态，在该切换机构上安装有可在左右方向上的一定范围内调整布料保持件的固定保持位置的位置调整机构，由此可使整体结构简单，可实现小型化、轻量化及低成本化，且即使在将柔软的布料作为缝制对象时也不会出现缝制褶皱等，另外，无论线的种类和粗细如何，都可进行缝制品质高的钉扣。

The dual recliner assembly includes spaced apart outboard and inboard recliners each movable between a locked position to hold the seat back in one of the plurality of reclined positions and an unlocked position to allow pivotal movement of the seat back relative to the seat cushion between the plurality of reclined positions.

这种双斜调组件包括外侧与内侧斜调机构，而每个斜调机构可在一个锁定位置和一个解锁位置之间移动，前者可将坐椅靠背保持在多个斜躺位置之一处，后者将坐椅靠背相对于坐垫在多个斜躺位置之间进行枢转运动。

The voltage of coil at closing position is obtained from calculation result of static characteristic for the new type of permanent magnet actuator.

对新型永磁机构的静态特性进行有限元分析，通过保持位置时的静态吸力和线圈电流，得到线圈在保持位置时的保持电压。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。