MEI Shi - long , 1991 . Middle and Late Cambrian conodont and trilobite biostratigraphy in Wanxian, Hebei . Unpublished Ph. D thesis of Peking University.武桂春, 2003. 鲁西地区晚寒武世牙形石. 北京大学博士研究生学位论文....
Some palms , mangroves and other tropical trees form woody prop roots , often called stilt roots.向地生长, 插入土壤,并对茎提供一定的支撑.Do red hobnail and hobnail of prop drawing form have without distinction?条彤鞋钉和回柱形鞋钉有无区别?He used a box...
He sent a basket of exotic fruit and a card.他送了一篮子异域水果和一张卡片。Consumers are increasingly interested in the authentically exotic tastes.消费者对于真正的异国风味越来越情有独钟。He took frequent junkets with friends to exotic locales.他经常和朋友们到一些具...
邮路遍及全国.A postal network now covers the whole country.作者指出,城乡差别遍及整个衣阿华州.The authors noted that urban - rural differences were widespread throughout Iowa.恒星是由原来遍及于整个星系内的气体所形成.The starts were formed from gases that original...
The vibrating centrifugal dehydrator and scraper discharge centrifugal dehydrator are usually used in coal mine industry.振动离心脱水机与刮刀卸料离心脱水机是煤矿常用的两种离心脱水机.From time to time a scraper is passed through the pipeline to remove...
Many of them are low coral or limestone hideaways of palm trees and white sand.那儿有许多人是低收入,珊瑚的石灰岩,棕榈树林隐蔽处,禽鸟来回飞翔,还有白沙滩.Many of them are low coral or limestone hideaways of palm trees, trade winds, and sand.许多岛屿是低矮的珊瑚,或隐匿着...