branch n. 1.(树)枝〔泛指大枝或小枝;bough 特指大枝,也指连花、果折下的枝;limb 指大枝;twig 指小枝〕。 2.支脉;支派;支管;支线;(家族的)支系;【语言学】(语系的)支,族。 3.(学科)分科;部门,支部,分部,分行;分店。 4.〔美国〕支流,小河,小川。 5.【电学】分流;【计算机】转移。 the branchs of a deer's antelers 鹿角的岔枝。 branch road 岔道。 the various branches of learning 各门学科。 the executive branch of the government 政府的行政部门。 an overseas branch 海外分店。 the Germanic branch of the Indo-European language family 印欧语系的日耳曼语族。 a party branch 党支部。 root and branch 彻底的[地]。 vi. 1.(树)出枝,开叉。 2.分部,分门;分岔;分支。 The main road branches off to the left. 大道向左分出一条岔路。 Numerous lesser roads branched off from the main highway. 从主要公路上分出无数小道。 vt. 1.使分枝。 2.用枝、叶、花等图案装饰(织物)。 branch forth (树)扩展枝叶;(商店等)扩展分支机构。 branch off [away] (道路等)分叉,岔开。 branch out 1. (树)发枝,长出枝条;(话等)横生枝节。 2. (事业等)扩大规模。 His firm branched out to New York. 他的公司把分支机构扩大到了纽约。
Control branch structure review and other special assignments 管制部架构检讨及其他特别职务
The higher education branch structure and development prediction of yunnan province 云南省高等教育分科结构及发展预测
Glycogen a polysaccharide composed of many glucose units , with a branching structure similar to that of amylopectin 糖原:是一种由多个葡萄糖单位组成的多糖,与支链淀粉有着相似的分支结构。
The thesis gives a simulation result of s - shape y - branch structure with numerical computation software and it also meets the demand 本文结合已有的软件对s弯曲结构进行了分析模拟,也得到了达到性能指标的分析结果。
According to the economic structure , structural change of the operational style of fdi " s utilization is expressed as well as its industrial and branch structures in china 利用外资的经济结构分为利用外商直接投资经营方式的结构变化、外资在中国投资的产业结构和部门结构两部分。
In developing the planar lightwave circuits , the coupling loss between a waveguide with a high refractive index difference and a single mode fiber is considered . a novel spot - size converter based on a y - branch structure is proposed and numerical simulation results indicate that it can reduce the coupling loss effectively with low polarization dependent loss and good fabrication tolerance 在平面波导光器件研制中,提出了高折射率差二氧化硅波导与光纤的新型低损耗连接,与现有波导单侧变窄的结构相比较,有效的降低了连接损耗,同时具有偏振相关损耗低,工艺容差性好的优点。
Applying an exact modal propagation analysis method and self - imaging theory , i analyzed the principle of mmi coupler . then , the self - imaging effect in graded - index waveguide has been analyzed and simulated using three - dimensional bpm . considering normal technology error , a low loss y - branch structure ( symmetric or asymmetric ) with a multimode waveguide transition section is introduced and designed 在设计y分支波导结构时,考虑常规工艺误差的影响,引入多模波导作为y分支波导结构的过渡区,利用参数空间搜索法来设计结构参数,实现低损耗的y分支结构。
The numerical and experimental results of this y - branch structure indicate that the proposed y - branch structure , without extra fabrication technologies , has a lower excess loss as compared with the conventional ones . optimal designs of the structural parameters for the multimode interference coupler are carried out . low loss and high uniformity of the multimode interference couplers are achieved when the waveguide is weakly guiding 研究了y分支耦合器中分支顶端间距(为工艺制作方便)带来的附加损耗,提出了低损耗新型y分支耦合器结构,并给出了相关结构参数的优化设计方法,我们的理论计算和实验测试结果均表明,该新型结构可以在常规光波导制作工艺下提高器件的指标。