这一区域被认为是“标准的”(normal)大洋中脊,也就是说它具有包括海山在内的多种火山地貌,正是科学家们在加拉帕戈斯扩张中心的理想观测点。
This area is considered a "normal" mid-ocean ridge, meaning it exhibits many volcanic features, like seamounts, scientists would expect to find at places like the GSC.
扩张体系域时期是由辫状河向曲流河过渡;
The braided river was transited to meandering river in extension system tract.
对具有泛包络代数结构的量子力学控制系统,研究了泛包络代数的可扩张性和系统状态的定义域问题。
For quantum mechanical control systems with structures of universal enveloping algebras, the thesis studies the enlargability of the universal enveloping algebras and the domain problems.
证明了任一环有代数封闭的扩张环,且实封闭域上的四元数体是代数封闭的,给出了代数封闭环的若干性质。
The two theorems are proved that any ring can be extended into an algebraically closed ring and that the quaternionic skew field over a real closed field is algebraically closed.
为了舒适,施加至内部鼻腔通道的向外扩张压力也分布在较大区 域上。
Outward dilating pressure applied to the internal nasal passage is also distributed over a larger area for comfort.
为了舒适,施加至内部鼻腔通道的向外扩张压力也分布在较大区 域上。
Outward dilating pressure applied to the internal nasal passage is also distributed over a larger area for comfort.
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