交感肾上腺系统不能维持直立位的脑灌注压。
The sympathoadrenal system is unable to maintain cerebral perfusion pressure in the upright posture.
我们还在跪立位，将你的头顶放到垫子上，后脑勺抵住手掌。
Still kneeling, place the crown of your head on your padding and move the back of your head directly into your hands.
桶里的水倒在一个池子里，而之后空桶翻回到直立位置并且又一次开始蓄水。
The water is dumped out into a pool, and then the empty bucket (because it is weighted at the bottom) tips back to the upright position and begins catching water again.
医生也可能让你去做立位腹平片、超声、CT等以确诊阑尾炎、或是寻找其它病因。
Your doctor may also recommend an abdominal X-ray, an ultrasound scan or a computerized tomography (CT) scan to help confirm appendicitis or find other causes for your pain.
在这个交替的过程中，想像你从平衡的双脚站立位置转作探出身体，到身体再次平衡。
In these transitions, picture yourself going from balanced on your feet and upright, to leaning out, to balanced again.
训练前后两组都进行立位试验。
Before and after training, orthostatic tolerance tests were made in the two groups.
将机构移向中立位置的凸轮。
回中凸轮，将机构移向中立位置的凸轮。
CENTERING CAM, a CAM for moving a mechanism to a neutral position.
立位耐力试验(ott)是一项实用技术。
在训练前和训练后利用头高位倾斜检查立位耐力。
Their orthostatic tolerances were determined before and after training.
通过模拟现场试验，建立位移-应变的标定方程。
Through the analogue teSt at the scene, the calibrated equations are established.
保持骨盆中立位。
单腿站立位的应力分析显示与以往实验结果基本相符。
The stress analysis at single support phase was the same as the results of previous experimental data.
所述上侧钉支撑表面将具有不同丝径的钉支撑在直立位置。
The upper staple supporting surface supports staples of different wire diameters in an upright position.
一般认为血容量减少是航天后立位耐力降低的一个重要因素。
It is believed that the reduction of blood volume might be one of the important factors.
我第一个赛季就打了很多比赛，但希望我可以在球队确立位置。
I played a good number in my first season but hopefully I can kick on and start to cement a place in the team.
用离散的位置基矢近似替代连续位置基矢，建立分立位置表象。
By using the discrete position base - vectors approximating for the continuous position base - vector, the discrete position presentation is constructed.
中立位和旋前位使髁上内侧产生拉应力，髁上外侧产生压应力。
While in neutral and pronator position, the pulling stress is in medial part and the pressing stress is in lateral part.
用离散的位置基矢作为连续位置基矢的近似，构建分立位置表象。
By using the discrete position base-vectors approximating for the continuous position base-vector, the discrete position presentation is constructed.
下列范例会建立位于命名空间中，具有前置词的xml树状结构。
The following example creates an XML tree that is in a namespace with a prefix.
从脊柱中立位开始，呼气并且收紧骨盆，使下背部及腰线接触垫子。
Begin in neutral spine, exhale and rock pelvis posteriorly so low back or waistline touches mat.
而中药组兔心率平稳，心电图缺血性改变不明显，立位耐受时间增加。
While in the Chinese herb-compound group, the heart rate of the rabbits kept smooth, ischemic changes in ECG were not clear, and orthostatic tolerance time increased.
结论对飞行后立位耐力降低的外周效应器机制假说提出了新的实验证据。
Conclusion It provided further evidence that peripheral effector mechanism might play an important role in the genesis of postflight orthostatic intolerance.
当交感肾上腺系统不能维持直立位的脑灌注压时，就会发生直立不耐受。
Orthostatic intolerance results when the sympathoadrenal system is unable to maintain cerebral perfusion pressure in the upright posture.
采用平面四边形为基本封闭形建立位移方程，给出了所有四个基本类型的解。
A planar quadrilateral is adopted as the basic loop in building up the displacement equations, and four basic types of solutions are given.
压力感受器反射功能下降是引起飞行后航天员立位耐力下降的重要起因之一。
The declination of baroreceptor reflex function is one of the important factor causing orthostatic intolerance after space flight.
在所有水平的I级椎间盘，与中立位相比，在屈曲位向后、伸展位向前膨出。
Grade discs at all levels moved posteriorly in flexion and anteriorly in extension when compared to neutral posture.
请您留在座位坐好，并系好安全带，椅背保持直立位置，直到飞机完全停稳为止。
You are asked to remain seated with safety belts fastened and with seats in an upright position until the aircraft has come to a complete halt.
许多数据表明长期失重以后立位耐力降低可能与压力感受性反射功能的改变有关。
Current data showed that lowering of orthostatic tolerance after prolonged weightlessness is most likely due to change of baroreceptor reflex function.
许多数据表明长期失重以后立位耐力降低可能与压力感受性反射功能的改变有关。
Current data showed that lowering of orthostatic tolerance after prolonged weightlessness is most likely due to change of baroreceptor reflex function.
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