查询词典 altitude

Rocket engines ; plug nozzle ; base pressure ; altitude characteristics ; cold-flow test

火箭发动机；塞式喷管；底部压强；高度特性；冷流实验

To know more altitude compensation and base characteristics of plug nozzle, cold-flow tests on 1-cell 2D linear plug nozzle, which utilize high pressure air as propellant were conducted.

为研究塞式喷管的高度特性和底部特性，采用高压空气为工作介质对单元直排塞式喷管进行实验。

When arrived at Longbaotan National Nature Reserve on May 15th and 16th , we found only 4~5 pairs of Black-necked Cranes at the altitude of

途中调查了黑颈鹤的分布与数量。5月15-16日在青海玉树地区的&隆宝国家级自然保护区&访问和实地调查，只遇见4-5对黑颈鹤，海拔

Time the city can be observed up to 2 hours and 40 minutes; followed by the sea there is no shelter material, while other cities are in the basin, the mountain block and more is not conducive to observation; Third, the total solar eclipse occurs when the sun altitude angle Zhoushan the largest observed the best results.

全市可观测时间可长达2小时40分；其次海面上没有任何遮挡物，而其他城市大都位于盆地，山体遮挡多，不利于观测；第三，日全食发生时，舟山的太阳高度角最大，观测效果最佳。

Needle broadleaf mixed forest, altitude among 2400—2700m, southern slop,glade and inhabit wood (according to 49%,44%, 44%, 64%, 58% respectively).The main food of blood pheasant are grain leaf and genus carex.Some of them also choose shrubs, conifer forest and eastern slop of hills.

影响血雉栖息地选择主要有下列因子：针阔叶混交林、海拔2400—2700米、南坡和有大量林中空地及栖材的生境（其比例分别为49%、44%、44%、64%、58%），食物主要是禾叶苔草；对灌丛、针叶林、东坡也有一定的选择。

There are several factors including average altitude, southern slop of hills,gentle slops, under branches, southern Orientation of nests, near to water, nearby places for sandy bathing and covering woods nearby nests that decide the nesting selection of blood pheasant. There are significant differences among the nests of blood pheasants on the nearby vegetation in spite of arbor, shrub and herbage.

作者在血雉产卵期（4.28—5.9）采用跟踪调查的方法，对其巢穴与栖息地生境因子选择进行了调查，结果显示血雉巢穴选择主要生境如下：平均海拔2700米左右、梁下部、南坡、坡度平缓、巢向南、距水源近、巢周围有栖材，有能够用来沙浴的地方，位于树根、树桩下，防风雨、巢材是竹叶、树叶。

Based on the above two experimental studies,we inferred the main combustion characteristic at high altitude which was that the flame radiation coefficient was obviously lower than that in atmospheric region and the mechanism which was due to higher volume fraction of carbon particles than that under atmospheric pressure.To validate this infer,the focus of last experimental study was on the volume fraction of carbon particles in the flame.

前两部分实验研究我们分析得到高原地区的主要燃烧特性是火焰辐射系数明显低于常压地区，其机理是由于火焰中的碳颗粒体积分数高于常压下的，为了验证这一推断，最后一部分实验研究的重点是火焰中碳颗粒的体积分数。

NET and technology with data handling, designed and developed sublevel caving ore drawing computer simulation system with altitude may regard melt, intelligence melt and simulate precision, this system may solve any boundary conditions used in analysis research take off and ore drawing loss poor relevant various problems, have offered means and the method of science.

NET 和数据处理等技术，设计开发了高度可视化、智能化和仿真精度的崩落法放矿计算机仿真系统，该系统可用于分析研究解决任何边界条件下与放矿损失贫化有关的各种问题，为采矿工作者研究放矿问题提供了科学的方法和手段。

If reduce the altitude of the chair leg, it will affect the practicability and artistic of the product

2， 缩小腿的高度，将影响产品的实用性和美观。

Resources belong to the characteristics of the county around Beijing and Tianjin, the Bohai Bay Economic Zone peripheral ring counties, the territory is flat, the altitude at between 42-46.1 Rice is a temperate climate, four seasons, the annual average temperature 13 ℃, the average annual rainfall of 523 millimeters and groundwater for the shallow fresh water, rich in water resources; agricultural production and the formation of special grain, vegetables, farming, the four major industries, such as clover grass, non-public ownership economy shape wood products, paper products, hardware, flour and flour products processing, oil five industrial community.

资源特点该县属于环京津、环渤海湾经济带外围县份，境内地势平坦，海拔高度在42－46.1米之间，属温带气候，四季分明，年平均气温13℃，年平均降雨量523毫米，地下水为浅层淡水区，水资源丰富；农业生产形成专用粮、蔬菜、养殖、苜草等四大产业，非公有制经济初步形成木制品、纸制品、小五金、粉制品和面粉加工、食用油等五个工业小区。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷