Ian's smile was replaced by a frown.

伊恩的微笑被皱眉所代替。

In the story human beings were replaced by robots.

这个故事中, 人类被机器人代替了。

Part of the involutive thymus was replaced by myoid cells.

一部分胸腺组织已被肌样细胞代替。

The dead elms have been replaced by a row of saplings.

枯死的榆树已被移去而换栽了一排幼树。

Should radical vulvectomy be replaced by wide local excision for vulval cancers?

根治性外阴切除术应该被扩大局部切除术取代？

The transplanted larynges were replaced by fibrosed tissue entirely 21 d postoperatively.

术后第21天移植喉完全被疤痕组织替代。

It was soon replaced by chloroform.

不久它被氯仿所代替。

They replaced trams by buses.

他们用公共汽车代替了电车。

The R2SO were later replaced by the Blue two-suiter overcalls which is more descriptive and effective.

R2SO后来被更详尽和有效的蓝盖叫法取代了.

The traditional deashing methods, such as backblowing and mechanical vibration etc are replaced by sonic deashing technique.

利用声波清灰技术替代除尘器传统的反吹、机械振打等清灰。

Electronmicroscopic examination shows that Ti-oxide (rutile or anatase) is replaced by brannerite, indicat-ing the metasomatic origin of brannerite.

电镜下观察到钛铀矿与钛的氧化（金红石或锐钛矿）成交代关系，说明钛铀矿是交代成因的。

It is suggested that the specific speed would be replaced by diametric ratio,and the new nameplate would be used.

建议比转速应为直径比所取代,并启用水斗水轮机新铭牌。

METHODS Sodium tetraphenylboron gravimetric analysis was replaced by highly-accurate nephelometric titrimetry to determine potassium chloride in Compound sodium chloride injection.

法用高精度散射光度滴定法代替四苯硼钠重量法。

On the outbreak of the First Revolutionary Civil War,the Government called in all gold coinage and replaced it by notes.

第一次国内革命战争爆发的时候,政府下令收回所有的金币,并代之以纸币。

Carbasugars,carbocyclic analogues of true sugars,are compounds in which the ring-oxygen of furanoid or pyranoid sugars is replaced by methylene group.

碳环糖是一类呋喃或吡喃糖环中的氧原子被亚甲基取代后形成的糖类似物。

Peridotite has undergone strong serpentinization and was completely replaced by serpentinite, but the pseudomorph of olivine and orthopyroxene still are preserved.

橄榄岩虽然发生了强烈蛇纹岩化（现为蛇纹岩），但蛇纹岩中保留了斜辉石和橄榄石的假象。

The existing words, ""Cargo Ship Safety Radiotelegraphy Certificates or Cargo Ship Safety Radiotelephony Certificates"" are replaced by ""or Cargo Ship Safety Radio Certificates"".

将现有文字“，货船无线电报安全证书或货船无线电话安全证书”改为“或货船无线电安全证书”。

The Anglo-Saxon Futhorc was replaced by the Latin alphabet from about the 7th century onwards, although the two continued in parallel for some time.

虽然二人继续处于相似处一些时间中,盎格鲁-撒克逊人的北欧古字母表被向前用从大约第7世纪拉丁字母代替。

The concept of "Economic Man)ladvanced by Adam Smith should be replaced by the new concept of "Economic Culture Man)lwlth implications of combining egoism with gregariousness.

中国，亚当·斯密的＂经济人＂概念，应该被利己与合群融为一体的＂经济文化人＂的新概念所取代。

Blast furnace slags were partially replaced by artificial and natural pozzolanic materials, such as pozzolan , fly ash and zeolite,to produce alkali activated slag cement(AASC).

用人工和天然火山灰质材料(如火山灰、粉煤灰和沸石)替代部分高炉矿渣制造碱矿渣水泥。