advance和advancement的含义有无区别?

下列两句里分别出现the advance of science和the advancement of science。advance和advancement的含义有无区别?全句应如何理解和翻译?

1)  The  advance of science  has  been  very  great during the last fifty years.

2)  Many a Chinese worker has contributed much to the advancement of science of late years.

xiao100

advancement -- the action of advancing ；the state of being advanced

含义有只有细微的差别
1）进展（的结果）巨大
2）进展（的过程）作了贡献

yjj543000

楼上正解.
advance 作为名词强调进步的结果
advancement则是强调"the process of ...是一个过程.
因此翻译为:
1.在过去的五十年里,科学有了突飞猛进的发展
2.近年来,许多中国工人为推动科学发展的进程,做出了巨大的贡献.