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The forces of expansion are balanced by forces of contraction.

扩张力和缩力相互平衡。

The heart is a highly contractile organ.

脏是具有高度缩性。

Contraction of the timbers left gaps in the fence.

木料缩, 结果围墙露出缝来。

The bodybuilders contracted their biceps in unison.

健美运动员们一起缩肱二头。

Their public health programme had to be severely curtailed.

他们公共卫生计划不得不大大缩。

Will this soap shrink woollen clothes?

这种肥皂会使毛织衣物缩吗?

One of these four chambers—the left ventricle—contracts most strongly to pressurise the blood.

这四个室中，左室缩最有力，血液流距离更远。

The left ventriculogram demonstrated akinesia of anterolateral and apical segments with apical thrombus formation.

左室摄影呈现左室前侧壁和尖处缩不良及尖处血栓形成。

Metal contracts as it cools.

金属遇冷缩。

Metals contract in cold weather.

金属遇冷天气缩。

It is well established that the cardial contraction is initiated when an action potential depolarizes the sarcolemma.

已经确证，缩始于动作电位使膜去极化。

"My means of ascsion and descension consist only in dilating or compressing the gas inclosed in the balloon."

“我使气球升降方法，是使气球里气体膨胀和缩。

This is because thin nasal skin has a high capacity to contract and redrape over the sculpted framework.

这是因为在改造过支架结构上薄皮肤更轻易缩和重新垂。

Furthermore, PTP1B deletion significantly reduced gene expression of 3 1-adrenergic receptor subtypes, consistent with blunted constriction to phenylephrine.

此外PTP1B缺乏明显减少31-肾上腺受体亚型基因表达，与对苯福林缩反应迟钝有关。

Objective To study the role of total flavonoids of hippophae rhamnoides in improving contactile function of stretched cardiac myocyte.

目研究沙棘总黄酮在改善衰状态细胞缩功能作用。

By the analysis, it has been concluded that slopy ridge has better discharge effect comparing with verical ridge.

结论-试验证明，斜墙式消力坎倾角越大，消能率越大，同时缩端面处回漩流速也更大。

Wernerians thought strata were deposits from shrinking seas, but James Hutton proposed a self-maintaining infinite cycle, anticipating uniformitarianism.

沃纳里恩斯认为地层是缩海洋沉积物，但詹姆斯•赫顿提出了一个自我维持无限周期，促进了地质均变论发展。

Abstract： Objective To evaluate bladder encapsulation with sigmoid muscular flap for the treatment of detrusor underactivity.

摘 要： 目 介绍一种治疗膀胱逼尿缩无力新术式--乙状结肠瓣包膀胱术。

The effects of tiemolecule on shrinking stress of the fiber and the effects of spinning speed on its texture were analyzed.

分析了缚结分子对纤维缩力作用及纺速对纤维织构影响。

The RI of cortex was different at various regions, especialy in CGD.The inadiquate perfusion of cortex appeared first at isovolumetric systole.

移植肾皮质部血流灌注不良时，血流充盈缺乏首先发生在等容缩期。