查询词典 aperture ratio

Assulta was studied in the present paper. Based on the successful reciprocal crosses, sex ratio and fertility of the hybrids in larvae, pupae and adults were investigated. In addition, the physiological mechanisms and genetic basis of host plant ranges of H.

在此基础上，利用解剖和观察等方法对子一代幼虫、蛹和成虫的性别比例和可育性进行了较为系统的研究；并利用比较的方法对棉铃虫和烟青虫食性广度的生理机制和遗传基础进行了初步研究。

The reciprocal ratio of a:b is b:a.: a:b 的反比是 b:a.

n。相对的事物，相应而相反的事物，相互作用的事物

Suppose the apple falls to the ground, the story is realThat probably is such: One day Newton thinks deeply that the planet moves a problem within mother's farm , he already proves that, that the planet goes round sun sport along the ellipse is to accept some kind of force effects , this force size and planet probably return back to direct proportion to sun distance square reciprocal ratio, with mass.

假如苹果落地的故事是真的，那很可能是这样的：一天牛顿在母亲的农场里思考行星运动问题，他已经证明，行星沿椭圆轨道绕太阳运动是受到某种力的作用，这种力的大小与行星到太阳距离的平方成反比，很可能还与质量成正比。

This instrument used the parallel p late capacitor to measure relative dielectric constant of film, which equaled to the ratio of the capacity value full of film and the capacity value full of air. It app lied the equipotential ring technology to reduce the error caused by edge effect in the two p late edges, and greatly increased the measurement p recision and accuracy.

该仪器采用将平行板电容器充满薄膜的电容值与充满空气的电容值相比的方法得出薄膜的相对介电常数，并采用等位环技术，减小了两极板在边缘处产生边缘效应所带来的误差，大大提高了测量的精度和准确性。

Experimental results showed that, compared with traditional wavelet-based image compression algorithms, this algorithm could alleviate the blur of image edge and improve the recognizability of the compressed images and peak signal to-noise ratio.

实验结果表明，和基于小波的传统编码方法相比，在低比特率下，该算法能减少图像的边缘模糊，提高压缩图像的识别度和峰值信噪比。

Based on the research, results from home and abroad, according to the characteristic of the widely-adopted semi-rigid pavement, the thesis studies the cold in-place recycling technology, and proposes the method of the mixture design of cold in-place recycling, the reasonable ratio of the pavement to the base and the amount of cement utilized. Moreover, the thesis delves on the mechanical property, construction craft and quality control of the old asphalt mixture after recondition, how to apply the recycling mixture to the base, and cater to the needs of performance.

本文在国内外已有研究成果的基础上，根据国内普遍采用半刚性基层沥青面层这一结构特点，研究旧沥青路面的现场冷再生技术，提出了冷再生混合料的配合比设计方法，合理的基、面层掺配比例及水泥剂量，深入研究了旧沥青路面材料再生后的力学性能、施工工艺以及质量控制及检测，并将再生的混合料应用于路面基层，满足相应的路用性能要求。

For recording media, high density demands high coercivity while high readout S/N ratio demands high remanent magnetization.

就记录介质而言，高记录密度要求有高的矫顽力，高读出信噪比要求有高的剩余磁化强度。

Objective To investigate the content of collagen type Ⅰ, type Ⅲ and the ratio of collagen type Ⅰ/Ⅲ of posterior rectus sheath in patients with inguinal hernia.

目的 分析腹股沟疝者腹直肌后鞘Ⅰ、Ⅲ型胶原含量及Ⅰ型／Ⅲ型胶原比例的变化。

Results show that the combined configuration increases the thermal efficiency by 9.4 percent to 38.4 percent and the press ratio of the compressor, the maximum temperature of the cycle, the effectiveness of the recuperator and the ambient temperature affect the thermal efficiency to a certain extent respectively.

结果表明，该联合循环可将热效率提高9.4%，达到38.4%，循环增压比、最高温度、回热度和环境温度的变化均会对热效率产生一定的影响。

Employing three indexes, including budgetary per-student recurrent expenditure, budgetary per-student public expenditure as well as the ratio of BPSPUBE to BPSRE, this paper analyzes the equity of allocation and use of educational expenditure among the counties in Beijing.

本研究以生均预算内事业费、生均预算内公用费以及生均公用费占事业费的比重为指标，考察了北京市郊县义务教育经费分配使用的公平性。

Summary In copyright infringement cases,if the alleged infringer uses or even plagiarizes the copyrighted works or parts thereof,which causes no substantially adverse effect on the normal exploitation of the work,nor does it inflict any substantial damages to the right owner,the de minis doctrine should be applied to exempt the liabilities of the defendant and seek the balance of interests between the right owner and the general public embodied by the copyright law.

在侵犯著作权案件中，如果被控侵权行为人虽未经著作权人的同意，使用甚至抄袭了受著作权保护的作品或作品的片段，但若情节轻微，未对该作品的正常使用产生任何实质不利的影响，亦未对权利人的权利造成实质性的损害，则应适用&不计琐细原则&，免除行为人的责任，以寻求在权利人利益与著作权法所体现的社会公共利益之间的平衡。

This new product will become our best seller.

这个新产品会成为我们最畅销的产品。