The heat transfer in natural convection is generally much lower than in the forced convection.

When the fluid is pumped by a fan, the convection is named a forced convection.

当流体被风机抽送时, 则该对流形式被称为强制对流.

There are two modes of convection: free convection and forced convection.

热对流的花样最多,且和流力有密切关系.

The limitations of such methods based on forced oscillation tests are also pointed out.

文中还指出了类似的基于受迫振荡圆柱体实验数据的预报模型存在的缺陷.

One of the features of a forced oscillation is the energy in the oscillation.

受迫振动的特点之一是振动的能量.

External components for the oil pump pressure lubrication oil lubrication system of forced circulation type.

外部零件润滑为油泵压力供油强制循环式润滑系统.

The core of DPR-1 is cooled by natural circulation and DPR-3 is cooled by forced circulation.

其中DPR -1 堆芯是自然循环冷却,而DPR -3 是强迫循环冷却.

The forced vibration of the electromechanical coupled double micro beam under harmonic excitation is investigated further.

进一步研究了机电耦合双微梁在简谐激励作用下的受迫振动规律.

The limit weight-loss temperature of ore fines and coke are determined by rapid weight-loss measuring devise.

采用快速失重水分测量装置确定了富矿粉和焦粉的极限失重温度.

In addition , the fractal dimension ratio of Brazilian ore fines and changed metallurgical properties of sinter.

探讨了低硅烧结矿在不同高品位巴西粉条件下粒度分布的分形特征,并用最小二乘法测定了其分形维数.

It is completely at the discretion of the administrator.

这完全取决于管理员的决定。

There is no service charge and tipping is at your discretion.

不收服务费，给不给小费您看着办。

He said it was at your discretion.

他说这取决于你的决定。

Visitors are admitted at the discretion of the management.

接纳来访者由管理部门斟酌决定。

Modern man uses the ornament of past and foreign cultures at his discretion.

现代人在他认为合适的时候用古代的或异族的装饰。

I serve at the discretion of the president of the United states.

我是按照美国总统的意思办事。

Make changes at your discretion.

你可以随意做改变。

These boxes contain some related techniques to be used at your discretion.

这些信息包括你在作出自己的判断时将会用到的一些相关的技巧。

The provision of your personal data is at your discretion.

提供个人资料是你的权利。

We could start the process of consultation at our discretion.

我们可以斟酌情况开始进行磋商。

This may change from time to time at our discretion.

但本确认随时由我方自行更改。