英汉双语例句-生物医药大词典

By the age of fourteen，he had learned advanced maths.

中文意思：
到十四岁时，他已学习高等数学。

以下为相关句子列表(点击查看，可以看对应的解释）：

	By the advanced technology, excellent performance, powerful output, attractive appearance, reasonable price and quality service, Changnei brand diesel engines sell well domestically and export to many countries.			常内柴油机以其成熟先进的技术、卓越的性能、强劲的动力、精美的外观、合理的价格及优质的服务,行销全国各地并出口海外诸多国家。
	By the afternoon, my eyes, throat and nose were itching and in need of lubrication if not medication.			到了下午，我的眼睛、喉咙和鼻子开始发痒、干燥，就算不需服药的话，至少也需要一些滋润。
	By the age add , human will put on weight easy.			人们上了岁数就容易发胖.
	By the age of 19 Gauss had discovered for himself and proved a remarkable theorem in number theory known as the law of quadratic reciprocity.			高斯十九岁已经独立地发现并证明了数理定理——二次互反律。
	By the age of 40, Beethoven was completely deaf.			贝多芬在四十岁时全聋。
	By the age of fourteen，he had learned advanced maths.			到十四岁时，他已学习高等数学。
	By the aid of advanced computer techniques, the production of new juggled culture often combines the direction, the playwright, the acoustic equipment and the image manipulation into a unity.			新型恶搞作品在制作手段上多借助电脑先进技术，融导演、编剧、音响配置、图像处理于一身，在表达手法上采用夸张放大、戏仿、剪辑移植、篡改变形等方法。
	By the analyses of corrosive medium and manufacturing process quality, the cracks of glycol evaporators in Dushanzi Petrochemical Company have been confirmed to be intergranular corrosion cracks.			摘要通过裂纹宏微观形貌分析、腐蚀介质分析、对蒸发塔制造过程质量分析等，证实了独山子石化乙二醇蒸发塔的裂纹属晶间型应力腐蚀裂纹。
	By the analysis and comparison of the particles of dust flow, the main force acting on the particles of dry dust flow is Van Der Waals force and the liquid-bridging force on the particles of wet dust flow are found.			通过时尘流中尘粒受力的分析，得出在乾燥环境下作用在尘粒上的主作用力是范德华力；在湿润情况下作用在尘粒上的主作用力是液桥力的结论。
	By the analysis of mercury injection data and physical property data of 650 sandstone and carbonate samples collected from Tuha, Liaohe, Shengli, Eerduosi, Sichuan oil ＆ gas field of China and Canadian oilfield, it is found that for porosity rocks, no mat			本文通过对来自我国吐哈、辽河、胜利、鄂尔多斯、四川和加拿大等地区油气田的650个砂岩和碳酸盐岩样品压汞测试资料及物性数据的分析研究，成功发现了对于孔隙性岩石(无论是砂岩还是碳酸盐岩)，岩石孔隙度和渗透率(特别是渗透率)与岩样不同孔喉大小的体积分布有密切的相关性，并首次建立了储层孔喉体积分布反演预测模型。
	By the analysis of the compact effectiveness on clay and sandy soils, it is proved that impact compaction is good for compacting the subgrade in deep depth and the effect on clay is better than that on sandy soil.			通过对砂土和粘土两种不同土质路基的冲击压实效果的分析，验证了冲击压实的深层压实效果，发现粘土比砂土的冲压效果好。