另两个为胸腺嘧啶和胞嘧啶, 即称为嘧啶的单环结构.The other two, thymine and cytosine, are single ring structures called pyrimidines.直到不久以前,人们对胸腺的功能尚不明了.The function of the thymus was unknown until relatively recently.动物的免疫系统由两个主要部分组成,即胸腺和骨髓系统.I...
He enunciated, quietly, but in something like his usual modulated and faintly histrionic tone.他清晰地说, 虽然是轻声的, 却依旧是他平时那种抑扬有致,微微带些戏剧性的声调.N son - carrier waves were modulated respectively with N paths symbol and got FDM sign...
Homeopathy is a popular form of medicine.顺势疗法是一种流行的非正统疗法.Market in 2008 was in swing in 2009, perhaps out of homeopathy.2008年创业板曾经如箭在弦,2009年也许顺势而出.Most doctors appear to recognize homeopathy as a legitimate form of medic...
Outer row of studs secures the yoke to the body.双头螺栓的外部排列将阀架固定在阀体上.the yoke of imperialism帝国主义的枷锁He had got his neck out of the yoke of matrimony.他已经摆脱了婚姻的枷锁.At last the Norse yoke was broken by two remarkable men.挪威人的桎梏...
提出一种新的催化裂化主分馏塔建模方法.A new method establishing models of FCC main fractionator was proposed.这是一座分馏塔.This is a fractionating tower.研究分析了催化裂化装置的主分馏塔与稳定塔之间操作控制的关联性.The operation and control interaction analysis between main f...