In view of the lack of systemic analysis for stepless transmission using noncircular gears, two basic noncircular gear u......

【Abstract】This paper illustrates problems about the format and reference in composing an English dissertation. Some an......

初冬的南美,依然绿意葱茏,生机蓬勃。乘着万里长风,穿过万里云涛,2009年6月27日至7月9日,中共中央政治局委员、中央书记处书记、中......

Abstract:Writing is a complicate process，especially for L2 learnersThis paper mainly refers to two essential features i......