七月份两宗重要的鲸豚新闻都涉及饲养问题.Two major news about whales and dolphins concerned about the captivity issue.我国白当豚的数量在不断下降.The number of dolphins in China is on the decline.同时侦测油源的震波也对海洋哺乳动物造成伤害或使鲸豚惊慌失措.Also, the seismic waves used ...
自记温湿度计是用得最广泛的一种记录仪器,因为它用起来很方便.Thermohygraphs are one of the most widely used recording instruments since they are convenient.*可扩充功能: 记录器,记录温湿度、压力.Expansion function: recorder for recording temperature & humidity pressure...
Making easy money has always been an attractive proposition.轻松赚钱总是件诱人的事。As a business proposition, it's a non-starter.作为一份商业建议,它不可能取得成功。Vote Yes on Proposition 136, but No on Propositions 129, 133 and 134.对第136号修正案投...
the ebb and flow of the tide海潮的涨落Private and public virtues were at the lowest ebb.公德与私德均在衰落之中.The flood and ebb tides alternates with each other.涨潮和落潮交替更迭....
Differential scanning calorimeter ( DSC ) showed NPN had high T _ g ( 129.7℃ ) and T _ m ( 245.7℃ ).差热扫描法(DSC ) 测定其玻璃化温度 ( Tg ) 高达129.7℃,熔点达 245.7 ℃.Differential scanning calorimetry ( DSC ) determination of purity of ch...
他们以冰淇琳和蛋糕庆祝他的康复.They feted his recovery with ice cream and cake.乙酸乙酯的合成以冰乙酸和乙醇为原料.Ethyl acetate was synthesized by ethanol with acetic acid as raw material.以无水三氯化铝为催化剂,以冰乙酸和环己醇为原料合成乙酸环己酯.Cyclohexyl acetate was synthesize...