查询词典 ab.

Objective To discuss the value of TB-Ab in the diagnosis and distinguishing diagnosis and the curative effect observation Methods To contrast and analyse 324 patients' results of blood Tb-Ab and AFB of sputum.

目的：探讨结核抗体在结核病的诊断、鉴别诊断以及疗效观察中的价值。方法：通过对324例患者血清结核抗体和痰检的结果进行对比分析。

150 Chapter 1 The History and Future of Computers 3.2 Boolean Algebra Table 3-2 Distributivity Idempotency Absorption laws 分配律同一律吸收律 a=ab+ac a+= a+a=a aa=a a+ab=a a=a'=a'b''=a'+b' DeMorgan's laws德摩根定理计算机专业英语 1-151 Chapter 1 The History and Future of Computers 3.2 Boolean Algebra Since a finite set of n elements has exactly 2n subsets, and it can be shown that the finite Boolean algebras are precisely the finite set algebras, each finite Boolean algebra consists of exactly 2n elements for some integer n.

由于n个元素的有限集有且只有个子集由于个元素的有限集有且只有2n个子集，而且很显然有限布个元素的有限集有且只有个子集，尔代数一定是有限集合代数，所以对某个整数n而言而言，尔代数一定是有限集合代数，所以对某个整数而言，每个有限布尔代数也有且只有2n个元素。例如，上文定义的集合T的限布尔代数也有且只有个元素。

31 Chapter 3 Number Systems and Boolean Algebra 3.2 Boolean Algebra Table 3-2 Distributivity Idempotency Absorption laws 分配律同一律吸收律 a=ab+ac a+= a+a=a aa=a a+ab=a a=a'=a'b''=a'+b' DeMorgan's laws德摩根定理计算机专业英语 3-32 Chapter 3 Number Systems and Boolean Algebra 3.2 Boolean Algebra Since a finite set of n elements has exactly 2n subsets, and it can be shown that the finite Boolean algebras are precisely the finite set algebras, each finite Boolean algebra consists of exactly 2n elements for some integer n.

由于n个元素的有限集有且只有个子集由于个元素的有限集有且只有2n个子集，而且很显然有限布个元素的有限集有且只有个子集，尔代数一定是有限集合代数，所以对某个整数n而言而言，尔代数一定是有限集合代数，所以对某个整数而言，每个有限布尔代数也有且只有2n个元素。例如，上文定义的集合T的限布尔代数也有且只有个元素。

Based on 14C dating of the top of paludal layers, it is confirmed that there are at least 10 cycles in the North China Plain during Holocene with the ending time as:（13000±140） aB.P.,（12910±180） aB.P.,（10530±120） aB.P.,（9500±40） aB.P.,（8760±250） aB.P.,（8030±150） aB.P.,（5600±85） aB.P.,（5020±200） aB.P.,（4600±190） aB.P., and （3470±125） aB.P.

以沼泽层层顶14C测年结果为划分沉积旋回的时代界限，华北平原全新世至少存在10个洪水-沼泽沉积旋回。

D. CBC, AB blood typing and Rh factor, antibody screen, rubella, VDRL/RPR, hepatitis B surface Ag.

D。 全血计数，AB血型及Rh因子，抗体筛查，风疹病毒，性病研究实验室试验/快速血浆反应素环状卡片试验，乙型肝炎表面抗原。

Specializing in the production of plaque: hard and soft plastic resin, plastic flow only, AB glue adhesive, all kinds of aluminum high-light sign, crystal Epoxy signs, metal signs and corrosion, electroforming plate, PC, PVC plate, chassis panels, membrane switch, soft and hard Crystal Epoxy, metal paste character cast aluminum signs, laser anti-counterfeit stickers affixed, metal corrosion and a variety of processing incoming screen.

深圳市鑫鸿华五金铭牌制品有限公司专业生产：环氧树脂软硬胶，止流胶，AB胶接着剂，各种铝质高光标牌，水晶滴胶标牌，五金及腐蚀标牌，电铸标牌，PC、PVC标牌，机壳面板，薄膜开关，软硬水晶滴胶，金属贴字，铸铝标牌，激光防伪不干胶贴，金属腐蚀以及各种来料丝印加工。

English Language , Statistics , Calculus AB , Computer Science A , Chemistry , Biology , Physics B , French Language , Latin: Vergil , Latin Literature , Spanish Language , United States History , Comparative Government and Politics , Microeconomics

英文语言，统计学，微积分AB，计算机科学A，化学，生物，物理B，法语，拉丁语，拉丁文学，西班牙语，美国历史，比较美国政府与政策，微观经济学ESL课程：有

A and B AB coffee lovers at Beaconsfield Road, is an elegant style coffee bar.

甲乙AB咖啡吧位于拱北情侣路，是一家格调高雅的咖啡酒吧。

This book focuses on the first of these methods: ab initio valence bond theory.

这本书集中於这些方法中的第1︰ ab initio价键理论。

Mass Spectrometry and quantum chemistry ab initio method have been used to study the reactivity of the methanol dehydration.

利用质谱分析结果结合量子化学ab initio方法，研究甲醇缩合脱水的反应过程。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。