Synonyms are words that have the same or approximately the same meaning.

同义词指具有相同或近似含义的词。

The 1999 Lagan is available for approximately $60.

1999年拉甘牌葡萄酒也还有售，每瓶$60。

There are approximately 12 million migrants with their dependants living in the EU countries.

大约有1200万流动工人带着家属居住在欧盟诸国。

It required three spools, each containing approximately 900 feet of number 27 Heavy Formvar wire for the primary sections.

这个工作需要三个线轴，每个上面有900英尺27号线来初级。

The first liquid crystal material has birefraction index approximately equal to one half of that of the second liquid crystal material.

中，第一液晶材料层的双折射率约略等于第二液晶材料层的双折射率的一半。

As to the profile shapes of ground collapse, they are approximately divided into vertical shaft, butterfly, funnel, ampulliform in shapes and so on.

剖面形态大致可为竖井状、蝶状、漏斗状及坛状等。

Approximately thirteen seconds before impact, the Copperhead's laser light sensor becomes active, and it uses fins to guide itself to the laser light source.

在炮弹着地前大约13秒时铜斑蛇的激光传感器启动，利用直尾翅击激光照射目标。

A recombinant HGP44 inhibited HIV-1 replication at a 50% effective concentration of approximately 2.5 micromolar, the researchers note, somewhat less potently than did P. gingivalis extracts.

研究者重HGP44蛋白酶在约2.5微克子的50%有效浓度时能抑HIV-1复，然而重HGP44比直接从牙龈卟啉菌中提取的有效性略低。

With a hardness of approximately 5 and a porcellaneous luster near its lip, the shell exhibits a silky flame structure very similar to the pearl itself.

硬度大约5左右。开口处附近呈瓷状光泽。贝所显现的丝状火焰纹结构和美乐珠很类似。

Approximately 30 compounds have been identified in the aroma of green tea, the major ones being benzyl alcohol, phenylethyl alcohol, a hexenol, linalool, geraniol and methyl salicylate.

约有30种化合物已从绿茶的香气中鉴别出来，中主要的有苯甲醇、苯乙醇、已烯醇、沉香醇、香茅醇和甲基水杨酸酯。

This refers to the use of a miniature BTE hearing aid that is coupled to an ear insert or earmold (vented or unvented) via a tubing of approximately 0.8 mm inner diameter.

就是微型耳背式助听器用一根内径大约0.8毫米的细管耦合到耳塞或者耳模（耳模可以开或者不开通气孔）的验配方式。