Small changes to temperature will affect crop growth, and most of sub-Saharan Africa's poor rely on agriculture for their livelihood.
气温的微小变化将影响农作物生长，而撒哈拉沙漠以南非洲国家的穷人赖以为生的正是农业。
气温在零下。
PA Some partial pressure, p sub A, temperature T.
在温度T下的分压为。
The principle and control algorithm of temperature compensation for Sub Micron projection lithography objectives are introduced.
主要介绍一种光刻机投影物镜温度补偿控制的原理及控制算法。
This expansion can cause the temperature of the air to drop to sub-zero levels.
这种膨胀能够导致空气温度降到零度以下的程度。
Various MOSFET tests require making low current measurements. Some of these tests include gate leakage, leakage current vs. temperature, substrate to-drain leakage, and sub-threshold current.
各种MOSFET测试都要求进行弱电流的测量。这些测试包括栅极漏电、泄漏电流与温度的关系、衬底对漏极的漏电和亚阈区电流等。
When the circumstance pressure and the temperature are low, the thermal decomposition properties of sub face are similar to those determined under common thermal analysis conditions.
当环境温度和压力较低时，亚表面的热分解特性，与常规条件下该火药的热分析结果相近。
Methods: PCR, gene cloning and successive sub cloning, DNA sequencing, prokaryotic temperature induction, etc. were used.
方法：采用PCR，克隆及连续亚克隆，序列分析，原核温度诱导表达等方法。
The cultivars of this experiment have different expression under sub-optimal, critical low temperature and poor light.
供试品种对偏低温、临界低温和弱光的耐受性存在差异。
This paper introduces a design of embedded temperature monitoring system which is based on CAN bus, the entire system composes by the embedded controller sub-master and the Master controller.
介绍了一种基于CAN总线的可扩展的嵌入式温度监测系统的设计方法，整个系统由嵌入式分控器和主控器两大部分组成。
It is pointed out that the temperature and diameter of high-temperature particles and sub-cooled liquid are the important factors to affect the movement of particles.
文章指出，高温小球的温度、直径和冷液过冷度是影响小球运动速度的重要因素。
The cryogenic optical experiment equipment was comprised of cryogenic vacuum chamber, vacuum set, ZYGO interferometer, proof vibration sub-system and controlled measuring temperature 'sub-system.
该实验装置包括低温真空腔体、真空抽气系统、ZYGO干涉仪和防震平台以及监控测温系统。
In order to maintain the flue temperature and guarantee the gas can combustion fully, gas pressure control loop and the sub flue suction control loop are designed.
为了控制炉温的稳定及煤气的充分合理燃烧，设计压力控制回路、吸力控制回路使煤气量和空气量稳定在设定值上。
The close relationship of the el Nio occurrence with the positive anomalies of the sub-surface ocean temperature (SOT) in the Pacific warm pool region is studied through the data analyses.
通过资料分析研究了厄尔尼诺事件的爆发与西太平洋暖池次表层海温正异常的重要关系。
A cool fluid of a predetermined temperature is supplied to a three-way valve (20) of a sub unit (2) from a cooling side tank (43) of a main unit (1) of a controller, through a supply pipe (14).
来自恒温维持装置的主单元(1)的冷却侧水箱(43)的被调整到预定的温度的低温循环液通过供给配管(14)被供给给辅助单元(2)的三通阀(20)。
The data acquisition sub-system USES distributed optical fiber grating temperature sensor system to measure the temperature of the cables, and transmits the data to the data processing sub-system.
系统利用分布式光纤光栅温度传感器对电力线路温度数据进行实时检测，然后将检测到的温度数据传送至数据处理部分。
The growth course of plant and ripping of tomato fruit were accelerated but the quality of fruit was decreased seriously at sub-high temperature.
亚高温加快植株生育进程，导致番茄果实提早成熟，但果实品质严重下降。
Karst region in southwest of China is located in the sub tropic with good combination of water and temperature.
我国西南岩溶区位于亚热带，水热条件良好，水资源储存量相当丰富。
This project is a sub-project from an academic institution, where an automatic measurement and control system is required to test active temperature and revertive temperature.
本项目是某预研项目的子课题，该子课题要求研制一种测试固体温度继电器动作温度和回复温度的自动测控系统。
A calculation formula of strength of concrete subjected to sub-high temperature was presented.
通过试验还给出了亚高温下混凝土受压强度的计算公式。
It is more important to investigate the mechanical properties of concrete in the structures subjected to long-term sub-high temperature.
长期处于亚高温作用下的混凝土结构也需要了解其材料受力性能的变化规律。
At the normal temperature, the raw materials in portion by weight are evenly mixed to form the local repairing (sub-optical) agent for the furniture.
在常温下将上述重量配比份数的原料混合均匀即为家具局部修补(亚光)剂。
Featuring integrated-temperature compensation and calibration, the low-cost, high-volume, miniature pressure-sensor package can be used as either a sub-module component or as a disposable unit.
具有集成的温度补偿和标定，低成本，高容量，微型压力传感器封装可以用作任一个子模块组件或作为一次性单元。
The utility model relates to a sub-header high-temp. hot-air furnace which is the improvement for the air heater of the existing high-temperature hot blast furnace.
分联箱式高温热风炉是对现有高温热风炉空气加热器部分的改进。
By using a constant-temperature-type hot-wire anemometer, the flow characteristics of the recirculating region behind the Vee-gutter flame-holder were investigated experimentally at sub-atmosphere.
本文用双通道热线风速仪对低压下V形火焰稳定器后回流区流动特性进行了实验研究，获得了局部平均速度、素流强度、雷诺应力等参数的分布情况。
By using a constant-temperature-type hot-wire anemometer, the flow characteristics of the recirculating region behind the Vee-gutter flame-holder were investigated experimentally at sub-atmosphere.
本文用双通道热线风速仪对低压下V形火焰稳定器后回流区流动特性进行了实验研究，获得了局部平均速度、素流强度、雷诺应力等参数的分布情况。
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