These unstable joints are very difficult to correct once they deviate from the normal, straight position.
这些不稳定的接头一旦偏离正常的直线位置就很难校正。
In the 1920s, divers grew tired of the slow rotation from rigid take-offs starting with a straight position.
20世纪二十年代时跳水运动员厌倦了缓慢的旋转动作，这是由僵硬的起跳加直体姿势造成的。
In order not to let the wrist flexion, can put a support at the bottom of the wrist to keep the wrist straight position.
为了不让腕部过度弯曲，可以在手腕下方放一个支撑物来保持腕部的平直位置。
Do the movement several times, and at the same time, lift lower limbs gradually to straight position until pulse regains the normal condition before the race.
如此反复几次，同时上肢慢慢抬起、直立，直至脉搏恢复至运动前正常脉搏。
Jump straight up as high as you can after the squat position, holding your arms up directly over your head.
在蹲起后，尽可能地向上跳，把你的手臂举过头顶。
You can tell by looking at the position graph (which shows an almost straight line) as well as the velocity graph where the slope clearly changes.
只要看看那条接近直线的时间-纵坐标图像和斜率明显变化的速度-时间图像，你就可以明白了。
To see if you're keeping your shoulders straight, stand in front of a mirror or ask someone else to evaluate your shoulder position.
站在镜子前或是让别人来检查你双肩的位置，看看双肩是否挺直。
The bright nucleus can be seen at the centre, along with the very thin disc that looks like a straight line from our unusual viewing position.
中间是明亮的星云，一个极薄的碟状物，从我们这个非常的视点看着像一条直线。
Sit up straight with your shoulders down - every time I adjust my sitting position, I instantly feel more energetic and cheerier.
坐直、放下肩膀——每当我调整完坐姿，会立刻感到更有精神和更愉快。
Maybe your shoulders are tight because you've been working in the same position for four hours straight.
或许由于你坐在同一个位置持续工作了4小时，你的肩可能会很酸。
Get your partner to lie in this position and look at their spine and neck - they should be in a straight line.
让你的伴侣以此睡姿躺好，观察他们的脊柱和颈部——它们应当是在同一直线上。
Sit in a comfortable position with your back straight, and close your eyes.
在一个舒服的地方坐下，挺直腰板，然后闭上你的眼睛。
Try a simple meditation technique where you focus on your breathing. Sit in a comfortable position with your back straight, and close your eyes.
试试这个专注于呼吸的简单冥想方法：找一个舒适的位置坐下，挺直背脊，然后闭上眼睛。
Start standing straight, step forwards and down into a controlled lunge position.
人体笔直站立，向前跨步成弓步姿势。动作要有控制。
While no man is doing to go that deep, it is easiest to beat your gag reflex in a position where your chin is high, your neck is straight, and you're standing up.
虽然没有男人能插这么深，但这是抵御呕吐反射最好的位置，这时下巴高，脖子直，你可以站起来。
In a lunge position, place your right foot on a bench or a step at knee height, and place both hands, palms down, on your right knee, keeping your left leg straight.
以弓箭步姿势，将你的右脚放在一个齐膝的长凳或台阶上，双手抚右膝，保持左腿伸直。
On each stroke, your goal is to get into a position with your legs straight and your arms out.
在每一个泳姿中，你的目标是进入一个腿直的位置，外划你的手臂。
This paper introduces the mathematical model for highway route alignment. This model can determine plan position of highway straight and curve by the control points.
详细介绍了用公路路线上控制点坐标进行公路直线和曲线平面位置定线的数学模型。
Ideally, swimmers want to have their heads rest in a neutral position, looking straight up at the ceiling, their ears submerged.
理想状态是，运动员应该把他们的头部放在一个中间位置：眼睛注视垂直方向，耳朵则刚刚没入水中。
And if we do, in fact, hit it with light to get the electrons off, it will go back to the straight up in position, or if it gets knocked hard enough it does that, too.
而且如果我们这么做，事实上，用光轰击它以逐出电子，它就会在原位置沿直线返回，或者如果它被撞击的足够猛烈，也会出现上述现象。
Piping runs joined to the flanges must be installed in a straight line position to the flange to avoid stress at the flange due to misalignment.
如果管道要联接到法兰上，必须以直线方向安装到法兰上，避免由于没有对准而对法兰产生压力。
Look down with your eyes, your best head position should be similar to your natural posture when you are out of water looking straight ahead.
眼睛向下看，最佳的头部位置应当和你在水上自然平视的姿势差不多。
We can totally imaged Voltaire's flickering eyes, as same as icy knife with keen edge, yet Voltaire obsequiously evaded the group that occupied powerful position, straight pierced to Rousseau.
我们完全可以想象伏尔泰闪烁不定的目光，像冰冷锋利的刀子一样，但伏尔泰谄媚地避开占据强势位置的群体，直刺卢梭。
The full open position in straight pattern globe valves has higher differential pressure (pressure losses) than an oblique pattern valve.
与倾斜式结构相比，直线式结构截止阀在全开位置具有更高的压差(压力损失)。
Many track coaches describe this ideal torso position as "running tall" and it means you need to stretch yourself up to your full height with your back comfortably straight.
许多田径教练将这一理想身姿描述为“跑得高挑”，意思是您跑步时需要将身体伸展至您的最大身高，背部舒服地挺直。
Tip: To retain detail in your fluffy pet's fur, position the light source somewhat to the side rather than straight on.
小提示：想突出宠物毛茸茸的毛发时最好将光源置于侧面，比采用正面光源要好。
Parking is sometimes a straight line along the shoulder, often into the two vehicles had been parked between a good position.
有时会沿路肩直线停车，经常要倒入已停好的两车之间的位置。
Parking is sometimes a straight line along the shoulder, often into the two vehicles had been parked between a good position.
有时会沿路肩直线停车，经常要倒入已停好的两车之间的位置。
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