He could not understand how people paid for food and valuable things with paper! He was also puzzled by the black stones people used to burn to produce heat.

他不明白人们是怎么用纸来买食物和贵重物品的！他还对人们用来燃烧产生热量的黑色石头感到困惑。

Chinese people used black stones to produce heat.

中国人用黑色的石头来产生热量。

He was also puzzled by the black stones people used to burn to produce heat.

他还对人们用来燃烧产生热量的黑色石头感到困惑。

The intense heat of the impact would produce heat-shocked quartz in many types of rock.

撞击所释放的强烈高温会在许多类型的岩石中形成一种热冲击石英。

The light of the firefly does not produce heat.

萤火虫的光不能产生热量。

The light of the firefly does not produce heat.

萤光灯较白炽灯省电且发热少。

The principle of solar energy: focus on a focal point to produce heat.

⊙、太阳能的原理：集中在一个焦点上才能产生热。

Utilizes far infrared ray electrothermal film to produce heat, safe and reliable.

使用远红外线发热膜产生热量，更安全、可靠。

Other bloodsuckers like bedbugs produce heat shock proteins too-as do we, during a fever.

其他吸血动物如臭虫也会产生热休克蛋白——我们在发烧的时候也一样。

Other bloodsuckers like bedbugs produce heat shock proteins too-as do we, during a fever.

其他吸血动物如臭虫也能产生热休克蛋白质- - -我们发烧时也一样。

Please do not make the battery short circuit, which will damage the battery, produce heat and may cause fire.

请勿将电池设备短路，这将会损坏电池，产生热量并可能引起火灾。

The inadepuats braking conditions are the main cause to produce heat-effected metal layer and fatigue crackings.

制动工况不当是产生热影响层和疲劳裂纹的主要原因。

But the rods still produce heat, even when control rods are in place, requiring a cooling system to maintain temperatures.

但是即使有操纵杆，棒条依然会产生热，因此需要一个冷却系统来维持温度。

That, in turn, bounces the light down in a concentrated beam about a metre (3ft) wide to produce heat and drive generators.

这个塔又反过来把光以3米宽的光束集中反射到地上，这样可以产生热量和发电。

Cantwell's rocket thruster, which was designed for use in spacecraft, can consume the excess nitrous oxide to produce heat.

Cant well的火箭推进器设计原用于宇宙飞船，现可用来燃烧大量氧化氮。

Instead, the company specialises in "concentrating solar-thermal technology" in which mirrors concentrate sunlight to produce heat.

该公司专门从事“聚合太阳热能技术”，该项技术用镜子聚集太阳光，制造热能。

They are as compact as classical gas heaters that only produce heat. Moreover, they can comfortably be mounted on the wall and easily be maintained.

这种设备不仅和传统的单纯气体加热设备一样紧凑，而且可以简单的安装在墙上，维护起来还很容易。

"Coal topping process" is a new technology which produce heat, power, gas and oil together. It combine CFB technology with coal conversion technology.

“煤炭拔头”工艺是将循环流化床技术和煤炭转化技术结合起来的热、电、气、油联产新技术。

Silicon and molybdenum, tungsten, chromium and other separation, has improved corrosion resistance and anti-oxidation effect, can produce heat-resistant steel.

硅和钼、钨、铬等分离，有进步抗腐蚀性和抗氧化的作用，可制造耐热钢。

In the new experiments, each of these electrically and thermally conductive nanotubes was coated with a layer of a reactive fuel that can produce heat by decomposing.

在最新的实验中，这些既导电又导热的纳米管中的每一根都涂上了一层反应燃料（reactivefuel），这种反应燃料能够通过分解产生热量。

Shoving large Numbers of electrons around is imprecise-some shoot out in random directions, wasting energy-and it creates lots of collisions, which produce heat.

把大量的邻近电子撞开，是很不精确的：有些电子会凌乱地弹开，而浪费能量；同时也会产生许多碰撞而发热。

The corn stover supply system consists of collection, pre-processing, transportation and on-site fuel storage and preparation to produce heat and power for the ethanol plant.

玉米秸秆供应系统由采集、预处理、运输和现场燃料储存和制备生产乙醇厂热电。

Hunan NuanYangYang glove factory through the introduction of advanced production machinery and equipment, through independent research, produce heat gloves warm goat products.

湖南暖羊羊手套厂通过引进领先的生产机械设备，通过自主研发、生产出暖羊羊发热手套系列产品。

Our environment contains several factors that may cause disease. Even the weather can be dangerous. Too much cold may result in frostbite. Excessive heat may produce heat exhaustion.

我们的环境包含若干可能引起疾病的因素。甚至天气都可能是危险的。严寒可造成冻伤。炎热可导致中暑。

Theoreticians had long predicted that Jupiter's massive gravity must raise tides in IO that knead its solid but still malleable rock to produce heat until at least part of the interior melts.

理论家们早就预测，木星的巨大引力一定会使木卫一内部掀起潮波，潮波搅动呈固态但仍然柔软的岩石，所产生的热量至少使内部的部分岩石熔化。

A new type of compressed air energy-storage system is proposed, under which compressed air directly expands in an air turbine to do work and generate electricity, produce heat and cooling energy.

提出一个将压缩空气直接在空气透平中膨胀做功发电，并产出热量和冷量的新压缩空气蓄能方法。

"If you think about free-floating planets, there's no nearby star that can produce heat and energy... but even in our solar system, there are [externally frigid worlds] that have hot cores," he said.

“如果你琢磨不受约束自由漫游的行星，想到它附近没有能够提供热量和能量的恒星……但即便在我们太阳系，都会有炙热的核心，更不用说那些寒冷的地方。”他说。

Upwards of a billion stars in our galaxy have burnt up their internal energy sources, and so can no longer produce the heat a star needs to oppose the inward force of gravity.

在我们的星系中，超过10亿颗恒星已经耗尽了它们的内部能量来源，因此无法再产生恒星所需的热量来对抗向内的引力。

An automobile produces enough heat to warm an average house in winter, and if a house were perfectly insulated, one adult could also produce more than enough heat to warm it.

在冬天，一辆汽车产生的热量足以温暖一间普通的房子，如果一间房子完全隔热，一个成年人也可以产生足够多的热量来温暖它。

The technician attempts to produce better cooling in personal computers by stirring up the liquid with tiny jets to make sure maximum heat exchange.

这位技术人员试图用微型喷嘴搅拌液体，以确保最大的热量交换，从而为个人电脑提供更好的冷却效果。