查询词典 pre-existence

Based on the research on the meshing between hobs and gears the optimum proflie design method of the pre-gringding hob is given,and the optimum profile of the pre-gringding hob used to cut the quasi high-speed locomotive traction gear has been designed according to the application of the traction and their proceeding technolog.

通过对刀齿啮合关系的研究，提出了磨前滚刀齿形优化设计方法，针对准高速机车牵引齿轮的应用和加工工艺特点，对准高速机车牵引齿轮磨前滚刀齿形进行了优化设计。

The paper describes the development of the pre-heater of hot-blast stove for blast furnace, and the technical advancements of the pre-heater in terms of material, heat exchanger type as well as heat transfer medium.

叙述了高炉热风炉预热器的发展情况，介绍了预热器在材料、换热器形式和换热工质等方面的技术进步。

Based on the introduction of ocean color mechanism, a processing flow involved MERIS data pre-processing and estimation of suspended sediment and chlorophyll concentration in Taiwan Strait was proposed. The main contents are as follows:(1) MERIS data pre-processing.

本论文在介绍水色遥感机理的基础上，提出MERIS数据的预处理流程及台湾海峡水域悬浮泥沙与叶绿素浓度反演的研究方法，主要内容包括：(1)MERIS数据预处理。

The happening and developing process of mother-infant relationship in the first month after birth.The frequency of feeling and chemical communication behavior between mother and infant in the pre-period are higher than in the mid-period and post-period; the frequency of aural communication and visual communication behavior between mother and infant in the mid-period are higher than in the pre-period and post-period.

一月龄内小熊猫母幼通讯行为的发生、发展规律小熊猫母幼间的触觉通讯行为和嗅觉通讯行为在一月龄内的前期显著高于中、后期；听觉和视觉通讯行为在中期显著高于前、后期；这说明小熊猫的母幼通讯行为方式的变化规律与母幼关系的发生、发展规律及幼仔的生长规律是相适应的。

Zhuangzi Ziti the vast ocean of text, image over the grandeur, a peculiar rich imagination, nurtured Kuangda more fantastic people with beautiful sight to behold, and noble feelings, in China's literary history is unique, his article quotes from the system has been in the form of signs Prose has developed the Pre-Qin Dynasty to a mature stage, it can be said,"Zhuangzi" represent the highest achievements of the Pre-Qin prose.

庄子文字的汪洋恣肆，意象的雄浑飞越，想象的奇特丰富，情致的滋润旷达，给人以超凡脱俗与崇高美妙的感受，在中国的文学史上独树一帜，他的文章体制已脱离语录体形式，标志着先秦散文已经发展到成熟的阶段，可以说，《庄子》代表了先秦散文的最高成就。

Woodchucks . The HBV genome has four genes: pol, env, pre-core and X that respectively encode the viral DNA-polymerase, envelope protein, pre-core protein (which is processed to viral capsid) and protein X. The function of protein X is not clear but it may be involved in the activation of host cell genes and the development of cancer.

乙型肝炎病毒基因组有四个基因：波兰，环境，前核心和X ，分别编码病毒DNA聚合酶，包膜蛋白，前核心蛋白和蛋白质十大功能蛋白X是尚不清楚，但它可能参与激活宿主细胞的基因和癌的发展。

Also much of it draws from the customs and beliefs of pre-Aryan or pre-Vedic India.

也大部分是吸取的习俗和信仰的前雅利安或前吠陀印度。

Today scholars believe that Stonehenge was constructed by an indigenous, pre-Celtic, pre-Druid culture.

甚至有人认为，信奉多神灵的古代凯尔特人是圆形石林的建筑师。

The Mason is called a "true Noahida", ie an adherent of the pre-Christian and pre-Mosaic system of undivided mankind.

梅森被称为&真正的Noahida &，即一个贴壁前的基督教和前花叶系统的不可分割的人类。

The Tarim basin is developed upon the pre-Nanhua crystalline basement, but both of the Tajikistan basin and the Karakum basin have developed upon the pre-Permian folded basement, which is formed after the close of the southern Tianshan Ocean.

本文系统归纳总结与对比分析了塔里木盆地、北阿富汗-南塔吉克斯坦盆地和卡拉库姆盆地的油气地质特征，并在此基础上探讨了该地区古生代以来地质演化对盆地演化和油气地质特征的控制作用。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。