A class with a pure virtual is an abstract class.

Derived classes of the abstract class must implement all abstract methods.

抽象类的派生类必须实现所有抽象方法.

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An abstract class may contain abstract methods and accessors.

抽象类可以包含抽象方法和抽象访问器.

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What is the difference between an Interface and an Abstract class?

接口与抽象类间的区别?

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Both carbon dioxide and methane absorb energy from sunlight and both leave a unique signature that can be measured to detect changes in intensity.

二氧化碳与甲烷都吸收阳光中的能量，并产生可测量其浓度变化的特有的光谱。

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The phase change materials ( PCMs) can absorb energy from the circumstance or release energy to circumstance during the materials change phases.

相变储能材料是指在物相变化过程中，从环境吸收热量或者向环境放出热量，从而达到能量存储和释放目的的材料。

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Balancing Filters absorb energy in some regions while transmitting in others.

平衡滤光片可吸收某些频段上的光线，而让其他光线通过。

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Starch granule can absorb energy when processed in microwave so that the crystallinity and gelatinization temperature of starch will be increased.

微波处理淀粉时淀粉颗粒吸收微波能量，使淀粉结晶度增大，从而使淀粉的糊化温度升高。

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Therefore, particles state substance can absorb energy, but energy can into physical quality.

因此讲，粒子性物质可以吸收能量，但能量不能转化为物质的质量。

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Measure of preventing mass concrete absorb energy of sun.

5防止大体积混凝土热量倒灌的具体措施。

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The core material of our product is Gold, the most active compounded metal catalyzer available nowadays, to absorb energy.

本产品以黄金为核心，来进行能量之吸收，为目前活性最大的复合性金属触媒。

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The hair can absorb energy from the sun and make my robot full of energy.

头发能从阳光中吸收能量使机器人充满能力。

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After they absorb energy, the nuclei release or reradiate this energy so that they return to their initial state of equilibrium.

之后，质子再次将能量释放以回到初始时的平衡状态。

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Resilience is the capacity of a material to absorb energy during elastic deformation.

弹性是指材料在弹性形变中吸收能量的能力。

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The waves in frequencies close to the peak frequency of a spectrum absorb energy from wind.

主频波频率附近的波动自风摄取能量，风浪吸收的能量通过非线性相互作用在谱中重新分配。

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Measure Fusion Heat of the Ice and Revision of the Absorb Heat

测定冰的熔解热及吸热修正

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The walls of the house absorb heat during the day.

房屋的墙壁在白天吸热。

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Because of its great latent heat, water can absorb heat and boil away, so as to lower combustion temperature.

水可以利用自身潜热大的特点吸收热量而汽化成为过热蒸汽，从而降低缸内燃烧温度。

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For example, to absorb heat from the sun to heat water, you need large, flat, black surfaces.

例如，要想吸收太阳能来加热水，你就需要一个巨大、平整的黑色表面。

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The PCM ( Phase Change Materials) can absorb heat or release lots of latent heat, when they change their phases, but the temperature within them does not change.

相变材料在相变过程中能吸收或释放大量的相变潜热，而自身温度几乎不变。

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That's the conclusion of a new study that finds that Earth's oceans now absorb heat at twice the rate they did 18 years ago.

这是一项新研究得出的结论，研究发现地球的海洋现在正以18年前两倍的速度吸收热量。

四级真题- 2016年 12月 2卷 短文填空