Purpose To recognize the value of double helix CT in diagnosis of Chronic otitis mastoidea.目的:确定慢性化脓性中耳乳突炎的双螺旋CT扫描诊断价值.In order to represent Archimedes helix with control polygon, we construct Bernstein - like basis.为了用控...
...a busy thoroughfare.繁忙的大街Let the hands get busy, not the mouth.手要勤劳，嘴莫多说。By midmorning I was busy at work and had completely forgotten about the whole thing.整个上午一直很忙,把这件事情也完全抛在了脑后....the stresses and strains of a busy...
人们立即聚集起来看斗鸡.A crowd quickly assembled to watch the cockfight.我可以象斗鸡一样,用一只更强壮的种鸡斗败我堂兄的公鸡,斗败他的世故老成.I could match my cousin Jasper's game - cock maturity with a sturdier fowl.斗鸡在任何情况下都是非常残忍的.Game birds are very canniba...
It is occasionally necessary to use a number system to designate the position of each ligand.有时需要用一种编号系统来标明各配体的位置.Macromolecules cannot approach the ligand owing to steric hindrance of the matrix.由于载体的立体位阻的关系,大分子化合物不能接触到...
It rots out your nuts.它会消尽你的意志.A fallen tree soon rots.倒在地上的树不久就朽了.A relaxed attitude lengthens a man's life, jealousy rots it away.被放松的态度加长男人的生活, 妒忌腐烂它离开....
这颗彗星重约500兆吨, 面积相当于纽约市大小.The comet, weighing about 500 trillion tons, area equivalent to the size of New York City.话外音: 一百兆吨的尘石被抛入大气层.Voice: One hundred trillion tons of dirt and rock hurled into the atmosphere....
氧化还原反应在铁和锰的增溶和沉淀中具有重要作用.Oxidation - reduction reactions are important in the solubilization and precipitation of iron and manganese.有机物 、 褐铁矿和氧化锰的含量影响着成矿元素含量的变异.The contents of organic material, limonite and manganese hy...
There are some areas of wetland which are of ancient origin.有一些湿地在古代就形成了。If it's possible, track the rumour back to its origin.如果可能，应追查谣言的源头。Most of the thickeners are of plant origin.大部分增稠剂来源于植物。...