生物气包括沼气、堆填气体、胃肠气，由产生的地点来区分类别。
Biogas include marsh gas, landfill gas, digester gas. They distinguish by the producing location.
任务4：创建一个Web服务来揭示由产生的J2Cbean指定的功能。
Task 4: Create a Web service to expose functionality provided by the generated J2C bean.
丝类是一种纤维蛋白，由蜘蛛或者桑蚕和某些昆虫的腺体所产生。
Silk is a fibrous protein, produced in glands within the spider or silkworm and some insects.
另一种由尾鹿产生的视觉信号被称为擦鹿信号。
Another visual signal produced by while-tailed deer is termed a buck scrape.
闪电是由云层放电产生的。
风是由热空气上升产生真空而引起的空气流动。
Wind is a current of air caused by a vacuum caused by hot air rising.
她从未担任过由选举产生的职务。
美国国家航空和宇宙航行局的研究小组现在表示，他们已经证明，它们不可能是由爆炸本身产生的。
The NASA team is now saying they have proved that they could not have been produced by the blast itself.
在正常情况下，由粘土组成的岩石产生的摩擦要比其他类型的岩石小得多。
Under normal conditions, rocks composed of clay produce far less friction than do other rock types.
利勒哈默尔的开幕式上有一个巨大的奥运火炬，它是由腐烂植物产生的沼气燃烧着的。
Lillehammer's opening ceremonies featured a giant Olympic Torch burning biogas produced by rotting vegetation.
这一概念是由其在博物馆和文化遗产中心的代表性所产生的偏见引起的。
This notion is induced by the bias in its representation in museums and heritage centres.
雄鹿摩擦都有一种由雄鹿前额上的腺体产生的气味，这种气味在制造擦痕时就涂抹到了树上。
Buck rubs also have a scent produced by glands in the foreheads of deer that is transferred to the tree when the rub is made.
因此，这两个因素都会影响周期；而实际上，周期似乎是由这两个因素的结合产生的。
Thus both factors can affect the cycle, which, in practice, seems to be generated by conjunction of the two factors.
雷电是由闪电产生的冲击波，它被认为是引发暴雨的原因，而暴雨是风暴的典型特征。
Thunder, the shock wave that comes from a lightning flash, is thought to be the trigger for the torrential rain that is typical of storms.
例如，一些毒液基于化学物质，而另一些基于细菌，所以它们显然是由不同的途径产生的，可能不像我们想象的那样密切相关。
For example, some venoms are chemical-based, and others are bacteria-based, so they clearly had to have developed along different routes and may not be as closely related as we thought.
根据一种假设，这颗行星的重力场会对由尘埃和气体组成的原行星盘产生牵引力。
According to one hypothesis, the planet's gravitational field tugs on the protoplanetary disk of dust and gas from which it formed.
地球磁场是由地球外核的熔铁围绕固体内核旋转而产生的；当铁水激增，就会发生磁暴。
The Earth's magnetic field is generated as the molten iron of the Earth's outer core revolves around its solid inner core; when surges in the molten iron occur, magnetic tempests are created.
海豚没有声带，但却能发声：一个由口哨声、吱吱声、呻吟声、颤音和咔嚓声组成的复杂系统是由喷水孔内的括约肌产生的。
Dolphins lack vocal cords, nevertheless creating sounds: a complicated system of whistles, squeaks, moans, trills, and clicks are produced by sphincter muscles inside the blowhole.
兰皮诺认为某些冰碛岩是由流星撞击而产生的，而不是冰川。
Rampino thinks that certain tillites were produced by meteor impacts, not glaciers.
有44%的垃圾是由发达国家产生的；且仅在美国，平均每个人每月都要扔掉相当于他们体重重量的垃圾。
The developed countries are responsible for 44% of waste, and in the US alone, the average person throws away their body weight in rubbish every month.
一旦你开始让巨石滚动，巨石就会产生动量，这是由其质量和速度决定的。
Once you have started the boulder rolling, it develops momentum, which is defined by its mass and velocity.
世界上近五分之一的电力是由利用落水动力旋转的水轮机产生的。
Nearly one fifth of all the electricity generated worldwide is produced by turbines spun by the power of falling water.
越厚的冰越容易发生变形，是由冰的重量产生的重力造成的。
Deformation is more likely to occur the thicker the ice is, because of the gravity of the weight of the ice.
大多数海浪是由风带动产生的。
人类每年产生的温室气体中，约有四分之一是由世界的食物系统产生的。
The world's food system is responsible for about one quarter of the planet-warming greenhouse gases that humans produce each year.
我们所知道的海浪大多是由吹过海面的风产生的。
The waves we know are mostly produced by winds blowing over the sea.
另一种力是由卫星围绕地球转动产生的。
The other force is created by the turning of the satellite around the earth.
它们类似于彩虹，但它们是由月光而不是太阳光直接照射产生的。
They are similar to rainbows, but they are created by moonlight instead of direct sunlight.
它们类似于彩虹，但它们是由月光而不是太阳光直接照射产生的。
They are similar to rainbows, but they are created by moonlight instead of direct sunlight.
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