查询词典 A.B.

B. Show a point that is impossible for the economy to achieve. Show a point that is feasible but

b。 上图所示的A 点即为经济不可能达到的点，而B 点则是经济可以达到但是却无效率

Half-step excitation alternates between the one-phase and two-phase modes (AB-B-AB-A-AB-B-AB- A), providing an eight-step sequence.

半之间交替步激发一个阶段和两阶段模式（AB级的B - AB级的A - AB级乙的AB -甲），并提供八个步骤序列。

In Chapter 4, the centro-symmetric solutions of matrix equation A~TXA = B on the linear manifold S ={X ∈ CSR~|||XY - Z||= min, Y,Z ∈ R~|}, using the quotient singular value decomposition of matrix pairs, the necessary and sufficient conditions for the existence and the expressions for the centro-symmetric solutions of matrix equation A~TXA = B on the linear manifold are established.

利用矩阵对的商奇异值分解，给出了这类线性流形上矩阵方程A~TXA=B存在中心对称解的充要条件及其通解表达式。

It was demonstrated that substance p,calcitonin gene related peptide,neurokinin A and neurokinin B immunoreactivities in circulating blood,nodose ganglion,C7-T5 spinal ganlia and dorsal horn and solitatary nucleus were increased in the asthmatic guinea pig than in normal control.

测得哮喘豚鼠结状神经节，C7～T5段脊神经节，C7～T5段脊髓后角和孤束核内P物质，降钙素基因相关肽，神经激肽A和神经激肽B水平明显高于对照组P.05。测得哮喘患者血浆P物质，降钙素基因相关肽，神经激肽A和神经激肽B含量高于正常对照组P.05。

B deem the ball unplayable at Point B and drop a ball, under an additional penalty of one stroke, at Point A?

认定球在B点不可打，在加罚一杆的情况下从A点抛球吗？

Methods:90patients were randomly divided in to 3groups.Group A was with puerarin.pur injection,Group B wit h puerarin.pur injection plus potass ium magnesium aspartate,Group C with ordinary dosage of digax in.

方法将CHF患者90例随机分为A、B、C三组，均以血管紧张素转换酶抑制剂、倍他乐克及利尿剂作为基础治疗，A组加葛根素注射液静滴，B组予葛根素注射液及门冬氨酸钾镁静滴，C组予地高辛口服。

The patients were divided into four groups. Group A included 48 women with previous unilateral salpingectomy. Group B included 41 patients with previous bilateral salpingectomy. Group C included 50 patients with obstruction of fallopian tube while group D included 40 patients with hydrosalpinx (without surgical procedure before). The ovarian responses to superovulation and the outcomes of IVF-ET were evaluated.

选择2006年2月至2007年6月在本中心行常规IVF-ET治疗的179例不孕患者为研究对象，共分为A、B、C、D四组，A组为48例单侧输卵管切除患者，B组为41例双侧输卵管切除患者，对照C组为50例双侧输卵管阻塞患者，对照D组为40例单侧或双侧输卵管积水患者，比较4组患者在IVF-ET周期中卵巢对控制性超排卵的反应及其结局的差异。

After prolonged heating 15h, 120° of the origina lly isolated stereoisomer B (melting C point mp: 157° Diels and Alder obtained two new stereoisomers E (mp: 153° and F C), C (mp: 163° Equilibration of B with a catalytic amount of a strong base at 25° ga ve a C).

在比原始分离异构体 B (熔点： 157°C)的方法延长加热时间之后(15h， 120°C)， Diels and Alder 获得了两个新的异构体 E(熔点：153°C)和 F(熔点：163°C)。

Results The average value of the hearing threshold was 70.67±20.43 dB HL in group A and 67.58±36.18 dB HL in group B(P＞0.05)before treatment.The average value of the hearing threahold reduced to 30.09±20.43 dB HL in group A and 18.42±18.05 dB HL in group B(P＜0.05) after treatment.

结果 治疗前A组和B组的平均听阈分别为70.67±20.43 dB HL和67.58±36.18 dB HL(P＞0.05)，治疗后两组听力平均提高分别为30.09±20.43 dB和18.42±18.05 dB(P＜0.05)。

It was studied that Apolipoproteins AⅠand B were determined by scattering immunoturbidimetric method using fluorescence spectrophotometer in stead of laser turbidimeter,and meanwhile the reference values of apolipoproteins AⅠand B of health persons were investigated.

研究了荧光分光光度计的免疫散射比浊法代替激光散射浊度仪来测定载脂蛋白AⅠ和载脂蛋白B，同时测定正常人的ApoAⅠ和ApoB的参考值。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。