Basin tectonic evolution-fluid system-mineralization is a new research task in ore-deposit.

Therefore, it is a marine sedimentary-metamorphic iron ore deposit.

铁矿床属海相沉积变质成因.

Composite film was prepared by on line chemical vapor deposition on float glass.

用化学气相沉积法在浮法玻璃上制备了复合薄膜.

Fused salt electrodeposition, magnetron sputteringand chemical vapor deposition were also methods of preparing platinum composite electrode.

此外,铂电极复合方法还有熔盐电镀, 磁控溅射,化学气相沉积等,指出了各种方法的优缺点及发展方向.

Among the manufacture processes, this thesis focuses deposition of silica waveguide film PlasmaChemical Vapor Deposition ( PECVD ) .

器件制作的工艺流程中本文重点研究了基于半导体技术的二氧化硅薄膜 沉积技术.

Carbon nanotubes were synthesized by a negative substrate bias-enhanced hot filament chemical vapor deposition system.

利用负衬底偏压增强热灯丝化学气相沉积系统制备了碳纳米管.

Preferably, the metal thin-film layer is an aluminum foil or aluminum vapor deposition layer.

所述金属薄膜层优选为铝箔或铝蒸镀层.

The cost to build the vapor deposition apparatus is high.

一方面制造气相沉积设备的成本很高.

Carbon nanotubes in experiments were synthesized by hot filament chemical vapor deposition.

所用的碳纳米管是用热灯丝化学气相沉积法合成的.

But low rates have not yet stimulate stimulated the depressed market.

但是低利率仍未对低迷的楼市产生刺激.

Incentives differ from country and region to region and are always highest in a depressed area.

这些鼓励措施在国与国、地区与地区之间都不尽相同.一般萧条地区提供的鼓励最高.

South Region of Gansu is a depressed area.

陇南是传统农业型的贫困地区.

Clinical depression affects about 16 % of the population at least once in their lives.

的人在他们的生命中遭受至少一次临床的抑郁症. 该是结束“绝望”的时刻了!

Bubl believes that a similar technique could be used to aid diagnosis of clinical depression.

巴布认为相似技术可用于临床抑郁症的诊断.

But do these numbers really reflect an epidemic of clinical depression?

不过,这些数字是否真的说明临床抑郁症已成为流行病?

Financial derivative tools reflects the effort that the people made to keep the stable of currency.

衍生金融工具显示人们为保持币值稳定而做出的努力.

Interest rate swaps is a financial derivative, is the swaps transaction used in interest rate market.

利率互换,是一种金融衍生品, 是互换交易在利率市场上的应用.

The index futures is an important financial derivative tool.

股指期货是一种重要的金融衍生工具.

Based on gradient descent rule, the BP ( Back Propagation ) algorithm is a local optimization algorithm.

bp 算法基于梯度下降原理,是一种局部寻优算法.

Gradient descent algorithm using momentum BP network training.

采用动量梯度下降算法训练BP网络.

It can be solved by iteration of gradient descent.

它通过梯度下降迭代求得最小值.