查询词典 approximate partial derivative

A photonic crystal-air interface or line defect is utilized as a holophote or a partial reflective mirror to design a paralleled plane cavity, a single ring cavity structure and a multi-ring cavity structure. The method has simple design idea, good integration and wide application; by adopting the method, the self aligning photonic crystal lasers with different wave bands can be designed according to the luminescent characteristics of different materials; particularly, the utilization of semiconductor materials to design a light source of optical communication wave bands has more important practical value.

利用光子晶体-空气界面或线缺陷作为全反射或部分反射镜设计平行平面腔、单环形和多环形腔结构；该方法设计思路简单，集成性好，适用范围广，可根据不同材料的发光特性设计不同波段的自准直光子晶体激光器，特别是用半导体材料设计光通讯波段的光源器件具有更重要的实用价值。

The partial nucleotide sequence of the gene fragment showed high homology with the essential spectrin gene of Caenorhabditis elegans and the erythrocyte surface antigen gene of Plasmodium falciparum , when the gene fragment was homologically analyzed in GenBank.

与GenBank中的基因进行同源性分析，其部分核苷酸序列与秀丽隐杆线虫红细胞膜内蛋白和恶性疟原虫红细胞表面抗原高度同源

We present a homomorphic partial differential equation filtering method for interferometry fringe patterns.

本文提出了电子散斑干涉条纹图的同态偏微分方程滤波方法。

Benzylaminopurine and abscisic acid were brushed onto the ears and upper leaves of Hordeum vulgore in pot experiments, to analyze the regulation of partial changes of hormone balance on distribution of Na(superscript +), K(superscript +) and free proline at a whole plant level.

用6-苄氨基嘌呤和脱落酸配合400mmol/L NaCl定位涂抹盆栽C3植物大麦的穗和上位叶片，分析了植物体激素水平的局部改变对叶片盐胁迫下整株水平上Na、K和游离脯氨酸分配的调节作用。

Housekeep of partial glasses stylist establishs a company, it is a topic that comments morer in the industry in recent years, look nevertheless from present actual state, company of wh some of which is moving toward market brim in the administrative bottleneck of its stylist boss.

梗概： 部分眼镜设计师自立门户组建公司，是近年来在行业中议论得比较多的一个话题，不过从现在的实际状况来看，其中一些公司正在其设计师型老板的管理瓶颈中走向市场边缘。

Objective To discuss the diagnostic value of ultrasonography in the partial hydatidiform mole.

目的 探讨部分性葡萄胎的B超诊断价值方法回顾性分析我院部分性葡萄胎69例住院患者的术诊断，术后病理检查结果。

Ultra-sonography is helpful for diagnosis of partial hydatidiform mole.

B超对部分性葡萄胎的诊断有其重要的实用价值。

However, in the presence of methanogenesis the hydrogen interspecies transfer between the hydrogenic and acetogenic bacteria and methanogenic bacteria makes partial hydrogen pressure decrease greatly, and then the whole process of anaerobic digestion c.

然而，在产甲烷的作用下，通过产氢产乙酸菌和产甲烷菌间的种间氢转移，体系中的氢分压大为降低，使整个消化过程得以顺利进行。

It is preferred that the silicone resin material is a composition containing colloidal silica and a silicone resin that is at least one selected from a partial hydrolysate and full hydrolysate of 4-functional hydrolyzable organosilane.

优选的是，有机硅树脂材料是含有胶态二氧化硅和有机硅树脂的组合物，所述有机硅树脂选自4-官能性可水解的有机硅烷的部分水解产物和全部水解产物中的至少一种。

That he was hydrophobe, hating partial contact by immersion or total by submersion in cold water,(his last bath having taken place in the month of October of the preceding year), disliking the aqueous substances of glass and crystal, distrusting aquacities of thought and language.

54他说自己患有恐水病，不论是局部浸入也罢，还是全身泡进去也罢，讨厌与冷水接触。（他是头年十月问最后一次洗澡的）；不喜欢玻璃和水晶这样的水状物质，对思维与语言的流动性也疑惑重重。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48