has been的例句大全

The NC system has been successfully applied in the transformation of old NC flame cutting machines.

该数控系统已成功地应用于旧数控火焰切割机的改造中.

The budget has been cut to the bone to deal with the crisis.

为了应付危机,预算已经缩减到捉襟见肘的地步了.

After decades of development, obvious progress has been made in the treatment of aspergillosis.

曲霉病的治疗经过几十年的发展有了很大进展。

Conclusion: Objective evaluation from local blood flow and crevicular fluid aspartate aminotransferase levels indicates that a reasonable gingivitis animal model has been established.

结论：该模型为良好的牙龈炎动物模型，龈沟液AST及局部微血流的改变均是反映牙龈炎发病程度的客观评定指标。

Ashy Starlings'( Sturnus cineraceus) group activity in autumn and early winter in Hefei has been observed from September of 2001 to January of 2002. The results manifest that at the end of September groups of Ashy Starlings inhabited on Platanus hispanica at night.

于2001年9月至2002年1月，对合肥市秋季和早冬灰椋鸟集群活动规律进行了观察。

The curing agent has been prepared by one-step catalytic polymerization process with a specific chemical additive.

采用特定的化学助剂,通过催化聚合法一步合成快干型低游离TDI聚氨酯固化剂.

But variety has been aged and degenerated severely for long time because of asexually propagation and lack of effective breeding route.

因长期无性繁殖，品种老化和退化严重，但有性世代退化而缺乏有效的育种途径。

Aseptic meningitis has been reported at widely varying frequencies following different mumps vaccines.

无菌性脑膜炎一直有报道，但其发生率因所用疫苗的不同有很大变异。

Recognition of the clustering of cases of aseptic meningitis has potentially been enhanced during mass immunization campaigns due to increased sensitivity of AEFI surveillance.

随着AEFI监测系统的敏感性提高，对强化免疫期间聚集发生的无菌性脑膜炎的辨识能力也得到了加强。

Through analyzing Asian economic integration development trend, for China, it has been carried on the discussion the development countermeasure of ASEAN Free Trade Area.

通过分析亚洲经济一体化发展趋势与前景，对中国&东盟自由贸易区的发展对策进行了探讨。

After China – Asean Free Trade Area being initiated on January 1,2010, Agricultural trade among regions has been a concern of both sides.

2010年1月1日中国与东盟自由贸易区正式启动后，区域内农产品贸易便成了双方更为关注的对象。

The public meeting has been declared off.

群众大会已宣布取消.

Nitrate ion has been examined as a corrosion inhibitor for aluminium in 1.

用失重法和动电位极化曲线方法研究了硝酸根离子对工业纯铝在1.

The principle and technology of waterproof and moisture-holding of corrugated board packing has been investigated.

研究了抗水保湿瓦楞纸板包装技术的原理和工艺方法.

In addition, paper mill, also has been enhancing the wall corrugated board.

除此之外, 纸厂也正逐步加强瓦楞纸的光滑度.

He has been in full feather ever since his uncle, the pawn broker, died.

自打他那做当铺老板的叔叔死后, 他已经是腰缠万贯了.

Because of the heavy rain, the public meeting has been declared off.

由于大雨, 群众大会已宣布取消.

The personal savings rate has been rising over the past year.

个人储蓄率自从去年以来已经有所上升.

As the story goes, he has been promoted twice in five years.

据说他在五年中升迁了两次.

A core shell structure styrene-acrylic emulsion has been prepared by seed emulsion polymerization.

采用种子乳液聚合的方法,制备了一种具有核壳结构的苯丙乳液.