泄压口面积按相应气体灭火系统设计规定计算。
The pressure relief device area shall be calculated as the corresponding gas extinguishing system formula.
结论DSCT可准确评价二尖瓣病变瓣口面积。
Conclusion DSCT can accurate measure mitral valve orifice area with heart mitral disease.
依照不同风向、风速及排烟口面积，设置五个火灾场景。
According to the different wind direction, wind velocity and smoke vent area, five fire scenarios are built.
二尖瓣关闭不全程度用频谱多普勒测定的有效返流口面积确定。
Mitral insufficient grades were determined by the effective regurgitant orifice area measured with spectral Doppler.
计算结果表明迭代计算是收敛的，算出的喷嘴喉口面积与实际相符。
The calculations indicate that the iterating calculation is converged and the calculated throat area of nozzle accords with practicality.
目的观察三维超声心动图(3de)测定机械瓣瓣口面积的可行性。
Objective To determine the feasibility of three dimensional echocardiography (3de) in assessment of mechanical prosthetic valve areas.
目的研究左房内径、二尖瓣口面积、二尖瓣返流对左房血栓形成的影响。
Pupose To study the influence of left atrial diameter, area of mitral orifice and mitral regurgitation on thrombosis in left atrium.
误差的大小是试样厚度、边缘宽度、杯口面积、可能还包括水蒸气透过量的综合影响。
The magnitude of the error is a complex function of the thickness, ledge width, mouth area, and possibly the permeability.
我们认为心房纤颤病程长，PBMV后瓣口面积小和左房回缩差是心房纤颤复发的可能原因。
It was considered that longer atrial fibrillation history, small mitral area and higher left atrial pressure after PBMV were the key factors of atrial fibrillation recurrence.
观察36例经皮球囊导管二尖瓣分离术治疗的二尖瓣狭窄患者，发现其术后瓣口面积的大小。
The mitral valve area (MVA) after percutaneous balloon catheter mitralcommissurotomy (PBMC) was assessed in 36 patients with mitral stenosis.
目的探讨二尖瓣狭窄伴反流的患者用压差减半时间(pht)法测量二尖瓣口面积的应用价值。
Objective To explore the clinical application of pressure half-time (PHT) method on rheumatic mitral stenosis coexisting mitral regurgitation.
当试样面积大于杯口面积时，试样在透湿杯边缘的覆盖就成为一个误差来源，尤其是对于较厚的试样。
When the specimen area is larger than the mouth area, this overlay upon the ledge is a source of error, particularly for thick specimens.
结果表明，M型彩色多普勒血流会聚法与二维彩色多普勒血流会聚法在检测二尖瓣狭窄瓣口面积方面基本可靠，但两者的准确性无显著差异。
It was concluded that M-mode and two-dimensional color Doppler flow convergence region could be used to quantificate the area of mitral stenosis accurately.
本论文通过正交实验从燃气压力、水流量、进风口面积和排烟口面积这四个因素中找出了影响强制平衡式燃气热水器的燃烧和热工特性的主要因素。
Through the orthogonal experiments, the author found out the major factor affecting the combustion and thermal characteristics from the gas pressure, water flow, air-inlet area and fume-exhaust area.
然而，由于各岛屿国家的陆地面积、1人口密度、气候、地理地形条件等有很大差异，它们的森林覆盖程度也有很大差别。
However, due to a considerable variation in land area, 1 population density and climatic, geological and topographical conditions, the extent of forest cover differs greatly among the island states.
蒙布瓦是一个拥有2.3万平方公里面积和16.7万人口的农村地区。
Mumbwa is a rural district with an area of 23 000 km2 and a population of 167 000.
四川省面积达485 000平方公里（187 000平方英里），拥有8700万人口，是全国人口最多的省份。
This province covers an area of 485, 000 kilometers (187, 000 miles) and boasts the largest population in China, with 87 million people.
巴西东北部地区面积比西欧还大，拥有5300万人口，占巴西总人口的四分之一左右。
Larger in size than Western Europe, Northeast Brazil is home to 53 million people, about a quarter of the country's population.
在荷兰面积仅为41000平方公里的国土上竟容纳着1600万人口，于此足可见该国的高效与有序性。
With 16 million people living on an area of 41 thousand square kilometres the Netherlands is efficient and organised.
估计该城有50万人口，面积33平方千米，周围环绕着几条发散的防御工事，这与14世纪的德里有相似之处。
Comparable to Delhi in the 14th century, the city, with an estimated population of half a million, covered 33 sq km and was surrounded by several concentric lines of fortification.
在孟买市外的贫民窟达拉维，目不识丁的母亲阿茹娜坐在面积狭小的一居室里——这是全家10口人的住地。
In Dharavi, a slum outside Mumbai, an illiterate mother called Aruna sits in her tiny one-room flat, which is home to ten people.
在金刚石面额外的坡口设计使得压力分散在更大面积上，这样加到切削齿上的应力也就更低。
The additional bevel on the diamond face of the cutter enables compression to spread across more area, leading to a lower stress gradient across the cutting edge.
使用这种方法，既可以避免使用昂贵的双口ram，又可减少印刷板面积，实践证明，这种方法是稳定可靠的。
Thus the expensive dual-port RAM can be replaced and the area of PCB reduced. It has been proved in practice that the method is stable and reliable.
提出了稳定流量精度的计算公式以及变节流口过流面积的计算公式；
The formulas for calculating the precision of priority flow and the area passed by divided flow are given.
采用缝隙式出流口时产生漩涡的临界高度比采用同面积的圆形出流口时的低得多。
Using slit outlet, the critical height of vortex sink is substantially lower than that of the round outlet used when the area of outlet and flow are equal.
项目内容：该地块位于光明西道与西环路交叉口东南角，地块占地面积约8公顷。
Project Content: the place locates on south east Angle of the cross of Guangming west road and west ring road. The total area fo the place is about 8 hectares.
利用本实用新型吸气消音器，可通过调整和优化吸气管路截面积及其旁 通口的面积，以达到更佳的吸气效率和降噪效果。
The utility model can regulate and optimize the sectional areas of the suction pipes and the bypass pipe, thereby ensuring good suction efficiency and noise reduction effect.
利用本实用新型吸气消音器，可通过调整和优化吸气管路截面积及其旁 通口的面积，以达到更佳的吸气效率和降噪效果。
The utility model can regulate and optimize the sectional areas of the suction pipes and the bypass pipe, thereby ensuring good suction efficiency and noise reduction effect.
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