Most astronomers believe that the large concentration of mass at the galaxy's center is a black hole whose gravity is causing the gas to whirl.
大多数天文学家认为，星系中心的大量物质是一个黑洞，它的引力导致气体旋转。
Is the national economy, transportation, cultural centers, is also an important industrial center for the world's largest concentration of jute.
是全国经济、交通、文化中心之一，也是重要的工业中心，为世界最大的黄麻集中地。
The decrease gradient of the peak displacement at the center of plate increases as the foam thickness, fuel-air concentration(i. e. explosion load size) increases to some extent.
在一定程度上，随着泡沫铝厚度、油气浓度（即爆炸荷载大小）的增加，降低板中心点处位移峰值的幅度也随之增加。
The system builds up marketing data center concept according to the mode of application distraction and data concentration.
该系统按照“应用分散、数据集中”的模式，建立营销数据中心理念；
The suspended sediment concentration at the center of the turbidity maximum zone and near the sand bar tends to increase because of the sediment addition from upstream.
因上游来沙量增加，在最大浑浊带中心和河口拦门沙处悬浮泥沙浓度趋于增加。
Accounting concentration accounting is to handle accounting work with accounting center, which is a new means of accounting supervisor.
会计集中核算是以会计核算中心为单位集中办理会计核算工作和实行会计监督的一项新举措。
When the concentration of the serum albumin was fixed and the ratio of metal ions to serum albumin increased, there exists similar configuration of the coordination center.
当增大金属离子与血清白蛋白的浓度比时，也发生类似的配位中心构型变化。
The German Aerospace Center and Lufthansa both announced test flights for Sunday to measure the ash concentration.
德国航空航天中心和德国汉莎航空公司都宣布周日进行试飞，以测试火山灰的聚集情况。
In 2002, in preparation for 2004 and 2008 Olympics, track and field sports management center made use of concentration and dispersed phase combination of the formation of a "big team" idea.
2002年，为备战2004年和2008年奥运会，田径运动管理中心提出了利用集中和分散相结合的方式组建一支“大国家队”的设想。
We tested the temperature and carbon dioxide concentration in the center and out of the bee-agglomerate between Apis mellifera ligustica and A.
试验对美意蜜蜂和卡尼鄂拉蜜蜂蜂团中心的温度和二氧化碳浓度以及隔板外侧空间的温度和二氧化碳浓度分别进行了测试。
The results show that the smaller coal size, the higher oxidation temperature, and the longer oxidation time, the higher concentration of paramagnetic center are able to form free radicals.
结果表明，诸因素均能诱发煤自由基的形成：煤体被破碎地越细小，自由基浓度越大；
In general, the green color is distributed in the center place of ductile deformation area, the high stress is of great advantage to the concentration of chrome.
剪切应力还控制翡翠绿色色相和绿色空间的分布。绿色一般分布在韧性变形区的中心部位，高应力区有利于铬的富集。
Relationships of leakage magnetic induction distribution and stress concentration for ferromagnetic plate with pore in center were studied.
研究了含小孔铁磁平板单向拉伸时应力集中状况与漏磁场分布的关系。
Column A is fed near its center with a steady flow of feed of definite concentration.
一定浓度的进料以稳定的流速从塔A中部附近进入。
The center strategy thought of "Sun Tzu's Art of War" is the classics concentration of human wisdom.
《孙子兵法》中的谋略思想是人类智慧和思想的经典浓缩。
The center strategy thought of "Sun Tzu's Art of War" is the classics concentration of human wisdom.
《孙子兵法》中的谋略思想是人类智慧和思想的经典浓缩。
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