经过多年

Over the years my mother has refined these recipes as a professional chef and restauranteur.?

多年来这些食谱经过我妈妈不断的精进与改良，很多菜色都已具有五星级的水准。

After 40 years of growth, it has become the world′s largest private employer and retailer.

经过四十多年的发展，沃尔玛百货有限公司已经成为美国最大的私人雇主和世界上最大的连锁零售商。

After more than 60 years of being exposed to the elements, the presidents of Mount Rushmore are getting a facial.

在经过60多年的风吹日晒之后，美国"总统山"上的总统们要"洗洗脸"了。

The throughput forecasting of thin-film evaporator is quite difficult and the precision is quite low because of high complexity of the process.By the Rosetta data analysis saddlebag based on the Rough set theory,the total process of knowledge discovery in databases was accomplished including data preparing,data analysis and the interpreting of the results.

Rough集理论[1-3]自1982年由波兰数学家Pawlak Z教授提出以来，经过20多年的研究和发展，在系统理论、计算机模型的建立和应用系统的研制开发上，已经取得了许多成果，也建立了一套完整的Rough集理论体系，特别是由于上世纪80年代末和90年代初在知识发现等领域得到成功的应用而受到国际上广泛关注。

San Diego is a city over 400 years of history. In 1541, Spanish colonizers arrived in Valdivia led 150 cavalry here, in the city center of Saint Lucia is located in the mountains is now built on the mainland of Spain in South America's first fort, and the foot of the mountain building with mud bricks and grass a number of the original residential areas, this is the prototype of the city of San Diego.

圣地亚哥是一座拥有400多年历史的古城。1541年，西班牙殖民者瓦尔迪维亚率领150名骑兵来到这里，在位于现在城市中心的圣卢西亚山上修筑了西班牙在南美洲大陆上的第一座炮台，并在山下用泥砖和草木建筑了一批原始的住宅区，这就是圣地亚哥城的雏形。1818年4月5日，经过智利争取独立战争中一场决定性战役？？

The satellitic application of academy of Chinese vacuum technique studies the job starts at the beginning of 70 time, through 20 old effort, what our country proper motion develops is solid.

中国空间技术研究院的卫星应用研究工作起步于70年代初，经过20多年的努力，我国自行研制的实。。。

After more than 20 years of research, answers to that question are scarce.

经过20多年的研究，关于这一问题仍然缺乏良策。

Through 20-odd years of construction since 1977,the company hasincorporateddesign,producing,markdeing and service into an organic one and developed into a national backbone enterprise in its sector that enjoys the most varieties,most complete specification,largest scale and best quality.in 2002,the company passed ISO9001intermational Quality Management system ldentification and was granted by the ministry of Public Sedulity the 3Ccertificate and Product Type Aproval Certificate.

经过二十多年的建设，公司已发展成为集产品设计、开发、生产、销售、服务于一体的品种最多、规格最全、规模最大、质量最好的全国消防行业骨干企业。2002年取得了ISO9001国际质量管理体系认证证书和公安部颁发的产品3C产品认证及产品型式认可证证书

With many years' development, we have established advanced production and detection lines for direct-current traction electric motors, magnetic segregator and mining electric locomotives.

经过三十多年的发展，我厂现已拥有一条较先进的直流牵引电机，磁力分离器，工矿电机车的生产、检测流水线。

From the time the text first mentioned Shen Nong to its completion was about two thousand years apart.

由史记所记录神农氏存在的时间，及至药典完成的时日，相去大约有二千多年，意指这本药物学著作，应该可以推论是经过这麼长久的时间，累积众多亲尝经验，所得出的记载而成书。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。