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In this paper, a closed chamber technique for measuring the complex free field sensitivity and directivity patterns of line array is described. 本文提出了一种在密闭管中测量线阵的自由场复数灵敏度和指向性图的方法。
Using closed chamber technique and gas chromatography, in-site measurements of N2O, CH4 and CO2 greenhouse gase fluxes from grassland ecosystem were systematically conducted. 利用静态箱法采样，配以气相色谱仪法分析对草地N_2O、CH_4和CO_2温室气体通量进行了较系统的现场测量，同时对箱体内外温度进行同步观测。
Using closed chamber technique and gas chromatography, in-site measurements of N2O,CH4 and CO2 greenhouse gase fluxes from grassland ecosystem were systematically conducted. 利用静态箱法采样，配以气相色谱仪法分析对草地N2O、CH4和CO2温室气体通量进行了较系统的现场测量，同时对箱体内外温度进行同步观测。
In this article concerned is the use of DC potential method for monitoring crack growth in a sheet metal specimen in a closed chamber which was vacuumed or fulled with a particular gas. 本文介绍用直流电位法监测在密闭腔中薄片试样上裂纹扩展的方法。密闭腔可以抽真空或充以特定气氛。
By using soil bores and closed chamber methods, field experiments were carried out in the semiarid area of dry land to study the effects of irrigation and rainfall on the N2O loses. 摘要利用土壤探头法和密闭气室法相结合，就黄土高原旱地土壤玉米生长期灌溉和降水对N2O气态损失的影响进行了研究；
To fractionate the contribution of plant to N2O emission from soil-plant system,the N2O emissions from soybean,soil and soil-plant system were measured by closed chamber method under field condition. 为区分植物在土壤-植物系统N2O排放中的贡献,用封闭式箱法对田间栽培的大豆植株及土壤、大豆植株-土壤系统的N2O排放进行了测定,同时对影响N2O的排放的因素进行了分析。
The Characteristic of Gas Concentration Relaxation in the Closed Chamber Test 气敏元件闭室测试中气体浓度变化的特征
earth pressure of closing chamber 土舱压力
He closed the deal successfully and was home free. 买卖成交了，他松了一口气。
People say that the tiger is still lurk close to. 人们说那只老虎还躲在附近。
The boss readily closed with the offer. 老板马上接受了这个报价。
Have you closed the gate and windows? 你把门窗关严实了吗？
He closed his speech with a funny joke. 他用一则有趣的笑话结束了演讲。
That oyster closed up its valves. 那个牡蛎把壳合拢起来。
She is buying a flat close to her office. 她正在购买一套靠近她办公室的单元房。
She's always been very close about her past life. 她对自己过去的生活一直守口如瓶。
For the umpteenth time close the door quietly. 我告诉过你好多次要轻轻地关门。
The Waterloo line is closed for repair. 滑铁卢铁路线因维修关闭。
This project has been closed up. 这个项目已终止了。
This road is closed to motor vehicles. 这条路机动车不准通行。