1.Ian's smile was replaced by a frown.

1.伊恩的微笑被皱眉所替。

2.In the story human beings were replaced by robots.

2.在这个故事中, 人类被机器人替了。

3.Part of the involutive thymus was replaced by myoid cells.

3.一部分胸腺组织已被肌样细胞替。

4.The dead elms have been replaced by a row of saplings.

4.枯死的榆树已被移去而换栽了一排幼树。

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

5.根治性外阴切除术应该被扩大局部切除术取？

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

6.术后第21天移植喉完全被疤痕组织替。

7.It was soon replaced by chloroform.

7.不久它被氯仿所替。

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

8.R2SO后来被更详有效的蓝梅双套盖叫法取了.

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

9.利用声波清灰技术替袋式除尘器传统的反吹、机械振打清灰方式。

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

10.在电镜下观察到钛铀矿与钛的氧化（金红石或锐钛矿）成关系，说明钛铀矿成因的。

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

11.建议比转速应为直径比所取,并启用水斗式水轮机新铭牌。

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

12.方法用高精度散射光度滴定法替四苯硼钠重量法。

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

13.在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,并之以纸币。

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

14.碳环糖一类呋喃或吡喃糖环中的氧原子被亚甲基取后形成的糖类似物。

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

15.橄榄岩虽然发生了强烈蛇纹岩化（现在为蛇纹岩），但蛇纹岩中保留了斜方辉石橄榄石的假象。

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

16.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”。

17.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).

17.用人工天然火山灰质材料(如火山灰、粉煤灰沸石)替部分高炉矿渣制造碱矿渣水泥。

18.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.

18.在中国，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。

19.By replacing sulphoacid and silver sulfate solution by combining acid of sulphoacid and phosphoric acid in the back-flow process,the time is shortened and analysis is quicker.

19.改用硫磷混合酸替硫酸—硫酸银溶液进行回流操作可极大地缩短回流时间，提高分析速度，得到满意结果。

20.A semicomplete multipartite digraph is obtained by replacing each edge of a complete multipartite graph by an arc or by a pair of two mutually opposite arcs.

20.摘要 用一条弧或一对方向相反的弧替完全多部无向图的每一条边所得到的有向图被称为半完全多部有向图。