Arteriolar relaxation reduces systemic vascular resistance and arterial pressure(afterload).

心脏指数可增加、降低或不变。

Dark adaptation in two healthy male subjects was studied by means of a Nagel's adaptometer.

摘要试验时施用平流电，故可使那盖氏暗适应计之光度稳定不变。

Drinking and driving is a formula for trouble.

酒后开车是引起事故的不变法则。

In other words, The Hermiticity of a matrix is invariant under unitary transformations.

换言之，矩阵的厄密正变换下保持不变。

Retail prices of staple foods remain unchanged.

主要食物的零售价保持不变。

It’s a romantic story of love surviving against all odds.

这是个有情人历尽坎坷真爱不变的浪漫故事。

My sister is ramstam, it is impossible to change her mind.

适者生存，不论现还是将来，都是自然不变的法则。

Iron Maiden - Rainmaker, Arch Enemy - Star Breaker, Rammstein - Eifersucht.

当然，还有万年不变的水蜜桃挽歌。

This distinction isn't hard and fast.

这样的差别并非是一成不变的。

Undiversified tobacco companies stand to lose if there were a mass migration to smokeless products like Snus.

果有大量的这样的无草产品流入，一成不变的草公司将亏损。

Thestabilized powders have obvious better oxidation resistance than unstabilized Pow-ders.And the other physical and chemical properties remain constant.

经钝化处理后的粉末，其抗氧化显著提高，而其他物理能及化学组成基本保持不变。

This process,however,was not invariable.

但是,这个过程并非始终不变。

We always invariably support him.

我们一直始终不变地支持他。

My judgment is final.

我的判断不变。

It is unchangeable and permanent.

这是持久不变的。

No other trigraph sequence exists. Each ? that does not begin one of the trigraphs listed above is not changed.

不存其他三连符。每个不是上述某个三连符开始的?将保持不变。

But diffeomorphism invariant theory leaves some problems to be explained, and the meanings of spacetime and physical theory are still in question.

但微分同胚不变理论存需要解释的问题，空时及物理理论的意义仍不明确。

Is the following true: "Necessarily, Judas (a non-elect) who is foreseen by God to die in sin commit that sin of final impenitence"?

兄所理解的恒久不变，用于天主所赋予的有效恩宠，是正确的。

The key features of the International System are decimalization, a system of prefixes, and a standard defined in terms of an invariable physical measure.

国际制度的主要特点是采用了十进制法、字首体系、以不变的物理度量方式解释的标准。

I suddenly realized one day that I’d been in a rut for years: same job, same flat, same friends, same holiday every year …

突然有一天我意识到我已经过了好多年一成不变的生活：同样的工作，同样的公寓，同样的朋友，每年度的假也一样?