In places, the water table is declining at a rate of a meter a year, necessitating the periodic deepening of wells and the use of ever-more-powerful pumps.
在一些地方,水位正以每年一米的速度下降,需要定期加深井并使用更强大的水泵。
After 1990, that rate of decrease went up to 1.1 watts per square meter per year.
20世纪90年代之后,这一数字增加到了1.1瓦特每平方米/年。
Because of Alzheimer's, cancer, brain damage, intense pain or other constrictions, they do not rate very high on the Quality of Life meter.
由于患有老年痴呆症、癌症、脑损害、剧烈疼痛或其它压力,在生活质量表中他们没有估计很高。
For those facilities affected by time of day rate structures and or demand charges, the use of electrical meter readings is essential to an efficient operating facility.
对于那些用天数作为收费标准的设施来讲,电表的读数对有效地运行设施是非常必要的。
By experimental simulation and test result of a certain radar recording meter, it shows that this algorithm has a higher compression rate and a better quality of signal recovery.
实验仿真和某型雷达记录仪测试结果表明,该算法具有较好的压缩比率及较高的信号恢复质量。
Try for a smooth constant rate of descent directly to a one (1) meter landing circle.
保持平滑且稳定的下降速度,朝直径1公尺的圆形降落区降落。
Flow meter; flowmeter a meter that indicates the rate of flow of water.
流量表;流速仪表示水流速度的仪表。
One factor could be deposits of dust and black carbon (collectively called aerosols) upon the snow, which, up to an accumulation of 400 grams per square meter sharply raises the rate of melting.
雪上尘埃和黑炭(统称为气溶胶)覆层可能是其中一个因素:当覆层的积累达到每平方米400克的时候,会急剧加快融化的速度;
In using process, how to effectively improve the residential electricity meter reading accuracy rate is worth exploring.
在使用过程中,如何有效提高居民用电远方集中抄表的正确率值得探讨。
A portable corrosion rate meter was used to comparatively measure the annual corrosion rates of 20 steel tube and its integral hot-dip aluminizing coating in acidic and alkali corrosive mediums.
采用便携式瞬时腐蚀速度测量仪,对20钢及其热浸镀铝件分别在酸性和碱性介质中测定年腐蚀速率并进行比较。
This meter can be used as a portable intelligent cardiac rate monitor.
此仪器可用作简易的携带式智能心率监护仪。
There are two kinds of Power Line Carrier technology. One is used for Load Control, Remote Meter Reading and Home Automation, which is a short rate application.
电力线载波技术分为两类,一种是用于负载控制、远程抄表和家电自动化的低速电力线载波通信。
The researchers found that the long-term death rate from lung cancer rose by 8 per cent for every 10-microgram increase in the average concentration of PM2.5s per cubic meter.
他们发现,每立方米PM2.5的平均浓度每增加10微克,在长期的作用之下,肺癌导致的死亡率就会增加8%。
Introduces the principle of ADE7763 chip on measuring active energy and the design of single-phase multiple-rate electricenergy meter based on chip.
介绍了ADE7763芯片测量有功电能的原理及用该芯片设计的单相多费率电能表。
The formula for calculating the solid flow rate in gas-solid flow oy using venturi meter is presented, which is also linear under certain conditions.
最后得出气—固两相流中,用文丘利流量计测量固相流率时的计算公式。它在一定条件下也是线性的。
Standard signal generator (Figure 1 standard signal generator diagram) of the output signal level accurate readings, the increase in the rate of transfer or shift can also read the meter.
标准信号发生器(图1标准信号发生器框图)的输出信号电平能准确读数,所加的调幅度或频偏也能用电表读出。
The heart rate meter design is completed via software and hardware debugging.
通过系统软硬件联机调试,完成了心率测量仪的设计。
A mathematic model for the relationship between the rate of heat transfer per meter borehole and the depth of borehole as well as the flow rate was built.
建立了钻井单位井深换热量与钻井深度、流量变化关系的计算模型。
A design scheme of multi-rate energy meter based on the broadband carrier of power lines and its automatic relay routing algorithm are proposed.
提出了基于电力线宽带载波的复费率电能表设计方案及自动中继路由算法。
Constant flow rate manually adjustable, proportional flow rate according to a digital input signal (from water meter), Power-ON led indicator and level control input. The two different modes are.
比例调节,可根据数字信号(比如水表发出的脉冲信号)来调节流量的比例,带有电源指示和液位探头接口,可直接连接液位探头控制计量泵启动或停止。
Constant flow rate manually adjustable, proportional flow rate according to a digital input signal (from water meter), Power-ON led indicator and level control input. The two different modes are.
比例调节,可根据数字信号(比如水表发出的脉冲信号)来调节流量的比例,带有电源指示和液位探头接口,可直接连接液位探头控制计量泵启动或停止。
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