Keep your head and body vertical, and your feet firmly on the floor in front of you so your knees bend over your toes.
保持头部和上身竖直，你的双足平稳地放在你前方，从而让你的膝部弯过你的脚趾。
Some movements involving primarily vertical or horizontal motions of the body as a whole, in which rotations can be ignored, can be studied using simple equations of linear motion in three dimensions.
有些运动主要涉及整体的垂直或水平运动，其中转动可以忽略，可以用三维线性运动的简单方程来研究。
You should also observe that the table has identical looking and equally serviceable horizontal and vertical headers that are distinguished from the table's body.
您还可以观察到表体之外有两个外观一样的标题栏，它们分别是垂直和水平的。
Imagine a vertical line splitting your body in half — your hands should not cross it.
想像一条把你的身体分成两半的垂直线——你的手不应该越过它。
As you might have noticed in the Building a basic matrix section, we wanted to create a grid with equally serviceable horizontal and vertical headers distinguishable from the widget's body.
如您在构建基本矩阵一节中所见，我们想要构建一个水平和竖直标题与主体都不同的网格。
NIBCO Iron Body Check Valves may be installed in both horizontal and vertical lines with upward flow or in any intermediate position.
尼伯科铸铁阀体止回阀可以安装在水平管线或流向朝上的垂直管线中的任何位置上。
A complete rotation of the body around its vertical axis, as in diving and gymnastics.
身体绕垂直轴心完整地绕一圈，如在跳水或体操中。
The green man's body rose and now he was hooking his ankle on the top bar then levering himself from vertical to horizontal until he lay on top of the railing.
绿衣男子身体上倾，用脚踝勾住了顶上的栏杆，然后身子弯了90度，平躺在顶端的栏杆上。
A flight garment worn by astronauts and jet pilots that presses on the lower body to maintain the blood supply to the brain during rapid vertical acceleration.
抗荷衣宇航员或喷气机飞行员穿的飞行服，在快速垂直加速中增加身体下部的压力以保持脑部血液供应。
The entry into water shall in all cases be vertical with the body straight, the feet together and the toes pointed.
所有的入水动作都是身体笔直并与水面垂直，两腿并拢，脚趾用力伸直。
The cause of vertical shaft gasoline engine body overheating is discussed, with countermeasures presented.
分析了垂直轴汽油机机体过热的主要原因，并提出解决措施。
The vertical human body models with different postures are selected according to ISO5982, and the dynamic coupling equations with non-classical damping for structure and human are established.
根据国际标准ISO 5982规定的不同姿势下的竖向人体动力模型，建立了具有非经典阻尼的人与结构耦合运动方程。
Furnace body is vertical lift type, installation of a self-lifting configuration for furnace overhaul.
加热炉体为垂直升降式，装置一套自升降配置，以便进行炉内的检修工作。
By studying location of ore body and microelement vertical zonality, it is deemed that overall denudation degree of deposit is in upper, and potential to extend to west and east is high.
对矿体标高和微量元素垂直分带性的研究后认为矿床总体剥蚀程度为上部，矿床向西、向东发展潜力巨大。
A new approach to improve the high-voltage vertical double-diffused MOSFET (VDMOSFET) body-diode recovery speed is proposed.
提出了一种提高高压垂直双扩散MOS场效应晶体管(VDMOSFET)的体二级管恢复速度的新方法。
Available in a choice of various body patterns including Angle, straightway, left hand corner, right hand corner, vertical and vertical double union.
可提供多种阀体类型供选择，包括，角型，直线型，左侧拐角型，右侧拐角型，直立型和直立双接头型。
The featured patented stainless steel gimble ring holds the lamp in place while allowing vertical and horizontal adjustments within the ABS body.
精选专利的不锈钢环支撑灯泡，同时允许在ABS范围内纵向和横向调整。
The robot crane consists of a cargo-lifting body suspended from four payload cables that in turn connect to four vertical anchor cables.
机器人起重机由货物升力体悬浮从四个有效载荷线缆依次连接到四个垂直锚索。
Vertical slicing by filled stopes method is effective to mine fracturing ore body with the roof of moderate inclination.
中等倾斜顶板破碎矿体的开采，垂直分条充填采矿方法是一种较为有效的方法。
The nonlinear mapping relation among the PSD of vehicle body centroid vertical acceleration, pitching angular acceleration and the road surface were found by RBF neural networks.
应用rbf神经网络建立了汽车车身质心垂直加速度功率谱密度、俯仰角加速度功率谱密度和路面功率谱密度之间的非线性映射模型。
The solution of stress and displacement of two-layer elastic continuous body is built under vertical load of axisymmetric, elastic upper space body and circle axisymmetric.
推导建立了轴对称空间体、弹性半空间体、圆形轴对称垂直荷载下的双层弹性连续体系的应力与位移的一般解；
Most of the evaluations to the vibration ride comfort of the vehicle only consider vertical vibration presently, and could not show the vibration from vehicle to body completely.
现有的汽车平顺性的仿真分析评价只考虑垂向振动对人体的影响，难以准确全面地反映传入人体的振动情况。
The socket is composed of an insulating base body, plug pin holes of integrated component pins and connecting pins vertical to the base body.
插座由绝缘座体、集成组件管脚的插脚孔和垂直于座体的接脚构成。
Sand body overall in parallel source direction is outspread, continuity, in vertical direction of source on the continuity, sand body in isolation.
砂体总体上在平行物源的方向上连续性较好，延伸较远，在垂直物源方向上连续性较差，砂体多呈孤立状；
The oblique open multi-stoma plastic safety helmet used in the building construction prevents the injury accidents caused by the vertical falling matter and the falling human body.
建筑施工用斜开多气孔塑料安全帽作用是，防止工作中垂直坠物和人体坠落造成的伤害事故。
Nibco iron body check valves may be installed in both horizontal and vertical lines with upward flow.
美国尼伯科止回阀可以安装在水平位置，或流向朝上的垂直位置。
Conclusions: UU infection during the period of pregnancy can affect the embryonic development and result in the low body weight of new life through vertical transmission.
结论：妊娠期uu感染可通过垂直传播方式影响子代发育，导致出生低体重。
In coal-seam roof, distributary channel sedimentations mostly are vertical accretion, and the continuity of sand body evolvement is well.
顶板分流河道沉积作用以垂向加积作用为主，岩体演化具有较好的继承性；
The simulation results indicate that the semi-active seat suspension is better than passive seat suspension in restraining the vertical vibration of body and enhancing the comfort of the seat.
仿真结果表明采用磁流变阻尼器半主动座椅悬架能较好的抑制座椅垂直方向上的振’动，并提高了座椅的舒适性。
The simulation results indicate that the semi-active seat suspension is better than passive seat suspension in restraining the vertical vibration of body and enhancing the comfort of the seat.
仿真结果表明采用磁流变阻尼器半主动座椅悬架能较好的抑制座椅垂直方向上的振’动，并提高了座椅的舒适性。
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