Indoor pollution, which includes sources like home heating and cooking, has remained constant over the past several decades despite advances in the area.
在过去几十年中，来源于诸如家庭供暖和烹饪等的室内污染持续存在，尽管在这方面已经有所改进。
This is an area where we will see constant improvement as time goes on.
随着时间的推移，我们将在这一领域看到不断的进步。
The pilots lost contact with air traffic controllers while flying across an area of the Atlantic Ocean known for constant bands of severe turbulence.
当飞机经过大西洋海域上空某处经常出现成片剧烈涡流的区域时，与空中交通控制员失去了联系。
Water is the life blood of this area, but it takes constant vigilance and effort to keep it in its place.
水是当地的命脉，但也需要不断提高警惕和不懈的努力来使之不至泛滥成灾。
So, to say that the rate at which area is swept is constant means that these two are proportional.
所以定律说，扫过的面积是常量，意思是这两个是成比例的。
And second, the area swept out by the line from the sun to the planet is swept at constant time.
第二，太阳和行星的连线，在相等的时间内扫过相等的面积。
One area where the conflict between quantum theory and relativity comes to the fore is in the gravitational constant, g, the quantity that describes the strength of gravity.
凸显量子理论和相对论冲突的地方之一是引力常数g，这个量描述引力的强度。
So, now, what does it mean to say that area is swept at a constant rate?
匀速扫过的面积又是什么意思呢？
Doubling hf-current results in a doubling of current density and a fourfold heat provided that the area of effective contact between the tissue ang the electrode remains constant.
如果人体组织和电极之间的有效接触面积保持不变，那么高频电流强度扩大一倍将会使电流密度增大一倍，并产生四倍的热量。
The Guitar-Hero area at the back of the store was in constant use.
吉他英雄在商店后面面积在不断的使用。
The second fundamental theorem of algebraical functions is fundamental and important but it is about constant Numbers and its applicative area has a limit.
代数体函数的第二基本定理是一个基本而重要的定理，但它是关于常数的，其适用范围有局限性。
Unconsciously, the eyes repeatedly attempt to rest by shifting their focus to an area behind the screen, and this constant switch between screen and relaxation point creates eyestrain and fatigue.
不知不觉中，眼睛会反复试图把焦点切换到屏幕后方的某个区域，以获得放松，而在屏幕和放松点之间的不停切换，会导致眼部疲劳。
Fortunately villatic area had formed constant climate, the feature is very bright also.
好在别墅区域已经形成了一定的气候，特征也十分鲜明。
Constant passage of machinery over the same area compacts the soil and limits the development of roots.
机械经常在相同地带内通过，会将土壤压紧并限制根系的发育。
The social area has constant view of the condo′s lake and is integrated with a covered veranda that provides both a living as a dining area with table, bar and an external barbecue pit.
公共区域拥有面对公寓区湖的连续景观面，它与带有餐桌、吧台、和室外烧烤区的有顶阳台相结合，既可以作为起居空间也可以作为餐饮空间。
The surface area of aggregate per unit volume of mortar does have influence on the mean value of the nearest surface spacing, but the ratio between them is not constant.
单位砂浆体积下集料的表面积的变化对邻近集料表面最近间距的平均值有影响，但二者之间的比值并非常数。
Based on the chromatographic detector theory, whether a chemical reaction is a fast reaction or not it can be judged according to the product of peak area and carrier flow rate is a constant or not.
本文运用色谱检测器理论，由峰面积与载流流速的乘积是否为一常数可判断某一化学反应是否为快速反应。
The frequency of DFB LD was driven and controlled through such technology as constant current, temperature control in active area, wavelength lock and etc.
该方案通过采用恒流源、有源区温度控制以及波长锁定等技术方法来实现DFBLD的稳频驱动及控制。
Hydrocarbons was separated with a packed - column coated with 25 % squalane at constant temperature, detected by using an FID, and quantified by area normalization method.
烃类组分采用25%角鲨烷填充色谱柱恒温分离，以氢火焰离子化检测器(FID)检测，峰面积归一化法定量。
Thermostat: Device that detects temperature changes for the purpose of maintaining the temperature of an enclosed area essentially constant.
恒温器：测量温度变化以便保持封闭区域内温度基本恒定的装置。
The role of compression springs bad gall on automatic control valve flow area of the size, so that a constant flow through the valve.
弹簧受压差的作用自动控制阀胆上过流面积的大小，从而使通过阀门的流量恒定。
A simple method for calculating the interaction force and interaction energy per unit area between two parallel flat plates particles in the case of constant surface potential was presented.
给出了两个平行平板颗粒处在恒电位条件时，相互作用力和相互作用能的简单计算方法。
The only way of enlarging the applicable area is to study and produce new cooling material of constant temperature with high quality coefficient.
扩大应用范围的唯一途径是研究新型高优质系数的常温致冷材料。
Even so, scientists have identified the AIDS virus is still a small part of the nearly constant surface area, such as the binding site, called CD4.
但即使如此，科学家仍然确定了艾滋病病毒表面小部分几乎不变的区域，如名为CD4的结合部位。
The take-off should be performed straight up from the landing area, at a constant rate of climb, with little lateral deviations.
由降落区内将直升机垂直起飞，保持稳定的上升速度，上升的过程中允许轻微的横向偏移。
A new DC electromagnets with rectangular section area, which is designed to have a constant force-displacement characteristic, is proposed in this paper.
在磁路分析的基础上，导出了产生恒力特性的条件，并且还讨论了电磁铁尺寸对力特性的影响。
Once beyond the constant policy of positive expectations, the cumulative effect of the policy area most likely become the market continued to strengthen confidence in the source.
一旦超出了积极的期望的一贯政策，该政策方面的累积效应最有可能成为市场继续加强工作的信心。
Once beyond the constant policy of positive expectations, the cumulative effect of the policy area most likely become the market continued to strengthen confidence in the source.
一旦超出了积极的期望的一贯政策，该政策方面的累积效应最有可能成为市场继续加强工作的信心。
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