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The similarity of interior ballistic performance variations of wearing and erosional gun is researched by the similar-analysis based on the zero-dimensional model and two-phase flow model of interior ballistic.

在内弹道零维模型及两相流模型相似分析的基础上，对烧蚀磨损火炮内弹道性能变化的相似性也进行了研究。

The anatomic variations included 39 deviation of nasal septum,28 paradoxical curvature of the middle turbinate ,11 pneumatized middle turbinate , 16 uncinate hyperplasia ,9 deviation of uncinate, 5 pneumatized uncinate ,15 large ethmoidal bulla and 9 Haller cell.

所有病例均显示钩突、筛窦漏、半月裂、筛泡及中鼻甲等的结构，鼻中隔偏曲39例，中鼻甲反向弯曲28例、中鼻甲气化11例，钩突肥大16例，钩突明显偏移9例，钩突气化5例，筛泡过度气化15例， Haller 气房6例。

This paper details the properties and characteristics of the β-eucryptite glass-ceramics with negative CTE (Coefficient of Thermal Expansion) that have been developed to bond to substrates for compensating the thermal variations in fiber Bragg gratings.

本论文以研发能够应用于光纤布拉格光栅温度补偿的材料为目的，开展了负膨胀β-锂霞石微晶玻璃的制备与表征。

We obtain a value for the global, eustatic sea-level rise contribution of about 3.3 meters, with important regional variations.

文章的作者说，海平面上升幅度最大的地区将会在美国的东西海岸。

Fig. 3 Variations of eustatic mean sea level after band2pass filter in the tropical Pacific ocean

所选取的热带太平洋地区，用两种方法分别计算的

The article report the variations in maize seed protein content and components are effected by introducing exogamous DNA from soybean through the pollen-tube pathway, and the maize was selfpollination in 2-3 years.

文章摘要：报道了采用花粉管通道法转大豆DNA的玉米在自交选育2～3年后。玉米籽粒中的蛋白质含量变化。

This course systematically describes the structure and function, transmission, expression and regulation, and evolution of genetic materials, covering basis of cytology for inheritance, molecular basis of genetic materials, Mendel's principles of inheritance, linkage and sex linkage, genemutation, variations in chromosome structure and number, quantitative genetics, inbreeding and heterosis, inheritance of bacteria and viruses, extranuclear inheritance, gene engineering, genomics, gene expression and regulation, developmental genetics, population genetics and evolution.

本课程全面系统地介绍遗传物质的结构与功能、遗传物质的传递、遗传物质的表达与调控、遗传物质的进化等，包括遗传的细胞学基础、遗传物质的分子基础、孟德尔遗传、连锁遗传和性连锁、基因突变、染色体结构变异、染色体数目变异、数量性状的遗传、近亲繁殖和杂种优势、细菌和病毒的遗传、细胞质遗传、基因工程、基因组学、基因表达的调控、遗传与发育、群体遗传与进化。

Here we show that the phase of the annual cycle of surface temperature over extratropical land shifted towards earlier seasons by 1.7 days between 1954 and 2007; this change is highly anomalous with respect to earlier variations, which we interpret as being indicative of the natural range.

假设这一温度记录的前一部分是由自然变化所主导的，那么最近的趋势似乎高度异常：陆地上的温度向早先的季节有1.7天的偏移，而变化周期的幅度（即夏季和冬季之间的温差）在这一时期降低了。

The applications of DGGE were mainly introduced among the food microbiology field,in assessing microbial communities in fermented product s and variations during food fermentation,differentiating ferme.

本文概述 DGGE 的基本原理、发展和应用现状；着重阐述该技术在评价发酵食品的细菌群落组成和动态变化、区分发酵食品、控制食品质量、检测食源性致病微生物等食品微生物研究领域中的应用；进一步展望了 DGGE 技术在食品研究领域的应用前景。

He faced forward; step forward; she practiced sewing backward as well as frontward on her new sewing machine;('forrad' and 'forrard' are dialectal variations).

他面朝前方；向前走；她在她的新缝纫机上前前后后的练习；（forrad和forrard是方言变体）。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。