心脏收缩时，血液才从心脏射出。
太空地质学家猜测这些陡坡是在几十亿年前当行星表面冷却收缩时开始形成的。
Astrogeologists suspect that these scarps having formed billions of years ago as the planet's surface cooled and shrank.
但当肌肉收缩时只有一块骨头运动。
When the muscle between the bones shortens, one bone has to move.
当我们面颊两侧颧肌收缩时，嘴角就会提起。
When the zygomaticus major muscles in our cheeks contract, they draw up the corners of our mouths.
每个小室收缩时血压就会升高，其它小室的血压也跟着升高。
As each chamber contracts, the blood within is pumped to a higher pressure.
肌收缩时发放的干扰型肌电含有神经肌肉的丰富信息。
Interfering EMG at muscle constriction contains complex information of neural system and muscle.
起端，起肌肉的附着点，在肌肉收缩时保持相对的固定。
The point of attachment of a muscle that remains relatively fixed during contraction.
由于多余的平滑肌肌肉收缩时使气道狭窄从而产生麻烦。
Excess smooth muscle causes problems because when it contracts it Narrows the airways.
当心脏收缩时产生一次脉搏或能量波，它通过动脉传播。
When the heart contracts it generates a pulse or energy wave that travels through the arteries.
起端，起：肌肉的附着点，在肌肉收缩时保持相对的固定。
Anatomy The point of attachment of a muscle that remains relatively fixed during contraction.
当聚合物往某一方向收缩时，则会往另一方向膨胀，这种运动很有用处。
As the polymer contracts in one direction, it expands in another, and these movements can do useful work.
肌肉等长收缩时肌电积分与肌力间已被认定存在着线性关系。
It has been evidenced that integrated EMG is linearly associated with force in isometric contractions.
收缩力减弱，心室收缩程度减低，心室收缩时的泵血量减少。
Reduction in contractility, the extent of ventricular contraction and hence the amount of blood pumped from the ventricle when it contracts.
收缩压是指两个血压中高的血压，代表心脏收缩时施加的最大压力。
Systolic pressure is the upper of the two blood pressure Numbers, representing the maximum pressure exerted when the heart contracts.
本文用一个粘弹性流变学模型来模拟股四头肌作等长收缩时的松驰过程。
A viscoelastic rheological model was proposed to simulate the relaxation process of isometric knee extension.
将当前展开的面板高亮，这样用户可以识别面板展开和收缩时不一样的标题栏。
Highlight the current panel so the user can distinguish open panel headers from closed panel headers.
收缩期血压是血压读数的最高值，并且是心脏收缩时血液泵出力量的测量值。
Systolic blood pressure is the top number of a blood pressure reading and is a measurement of the force of blood pumped out when the heart muscle contracts.
立毛肌附着于皮脂腺之下的毛囊，当它收缩时，牵拉毛囊直立，产生鸡皮疙瘩。
The arrectores pilorum are attached to the hair follicles below the sebaceous glands and, in contracting, pull the hair follicle upward, producing gooseflesh.
本文研究了肌肉收缩时，肌肉细胞中的一种大分子——分子马达间的协作行为。
This dissertation is mainly concerned with the cooperative behaviors of molecular motors in muscle contraction.
实验证明，当小动脉发生持续性收缩时，骨胳肌发生痉挛跳动，肢体麻木等现象。
Experiments have proved that when the arteriole produce durative contraction, skeletal muscle cramps occur, numbness, etc.
目的通过对上肢肌群肌肉轻收缩时肌电信号的检测与分析，提供电子假肢信号源。
Objective To provide myoelectric signal of electronic artificial limb via examination and assessment of the myoelectric signals given by upper extremity muscles in light contraction.
并与左房收缩时左房面积改变分数(FAC)和容积改变分数(FVC)作相关性研究。
Left atrial fractional area change (FAC) and fractional volume change (FVC) during atrial systole were calculated.
离心收缩时，肌肉伸长产生一种力，例如当一个人奔走下坡，或者二头肌训练时会发生。
In eccentric contraction, the muscle produces a force while it's being lengthened. This happens when a person runs downhill, for example, or lowers a weight during a bicep curl.
其目的是当熔化金属凝固和收缩时往型腔里补充熔化金属，从而防止在主铸件中产生孔隙。
The purpose of this is to feed the molten metal to the mold cavity as the molten metal solidifies and shrinks, and thereby prevents voids in the main casting.
当一块肌肉发生收缩时，一个神经脉冲就传递给大脑，要求其打开另外的神经元电路和神经区。
When a muscle is contracted a nerve impulse is relayed to the brain, triggering other neuronal circuits and nervous centers.
两侧肌电图波幅、等长收缩时最大强直收缩张力及持续时间进行自身t检验比较均无显著差异。
There was no significant difference int test in EMG wave amplitude, maximum tetanized systole tensile strength and duration of isometric contraction.
两侧肌电图波幅、等长收缩时最大强直收缩张力及持续时间进行自身t检验比较均无显著差异。
There was no significant difference int test in EMG wave amplitude, maximum tetanized systole tensile strength and duration of isometric contraction.
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