这些表达式是使用函数构成的，结合这些函数来得到我们可能要查找的结果。
These expressions are formed using functions, which are combined to get the results we may be looking for.
关于它是由什么构成的，人们有各种不同的看法，但大家一致认为，有这样一种本质是存在的，也就是说，有一种东西可以作为人就是人的依据。
There were various views about what constitutes it, but there was agreement that such an essence exists—that is to say, that there is something by virtue of which man is man.
牌子是由纵向和横向的线条构成的。
肺其实是由数千个细小管状器官构成的。
The lungs are in fact constructed of thousands of tiny tubes.
她的膳食是由未受农药、盐或精制糖污染过的天然食品构成的。
Her diet consisted of natural food, uncontaminated by pesticides, salt or refined sugar.
瀑布是由熔岩和火山物质构成的。
没有什么是由虚无构成的。
这个岛完全是由沙子构成的。
一切物体都是由某种物质构成的。
这是因为雾是由微小的水滴构成的。
事实上，崇高理想是由许许多多的小梦想构成的。
这些优良品质是我们与生俱来的东西，在我们缺点构成的荆棘包围下成长着。
The good qualities planted in us at birth, grow among the thorns—our weaknesses.
关于月亮构成的数据，比如它含有多少冰和其他宝藏，有助于中国决定未来的月球基地计划是否可行。
Data about the moon's composition, such as how much ice and other treasures it contains, could help China decide whether its plans for a future lunar base are practical.
岛屿是由堆积的泥土和杂草以及湖底的物质构成的。
Islands are made from packed earth and weeds and material from the bottom of the lake.
罗马的建造者完善了由不同的石块构成的半圆形拱门。
Roman builders perfected the semicircular arch made of separate blocks of stone.
地幔包含的远远不仅是地壳，还有关于行星或卫星的总体构成的信息。
Much more than the crust, the mantle contains information about a planet's or moon's total composition.
现在正在形成的欧洲正是由各民族以及他们的文化和民族认同感构成的。
The Europe that is now forming cannot be anything other than its peoples, their cultures and national identities.
神话产生于幻想的国度——那些完全由食物和香料构成的神奇而遥远的地方。
Myths grew up of fantasy lands, magical faraway places made entirely of food and spices.
它们是由坚固的十字形梁构成的骨架，中间夹着结实的材料，外面涂了层灰泥。
They were skeletons of strong criss-cross beams, with solid material between, coated with plaster.
通常有一个防水布料构成的外部帐篷和一个较轻的或带有内置防潮布的内部帐篷。
There is usually an outer tent of water-proofed fabric and a lighter inner tent or tent with a built-in groundsheet.
我们将这些特征与锌或铅等特定元素的特征进行比较，以确定颜料是由什么构成的。
We compare these signatures with those of particular elements like zinc or lead, to determine what the pigment was made of.
海洋板块是由密度更大、更重的岩石构成的，所以它开始下沉到大陆板块之下，到地幔之中。
The oceanic plate is made of denser and heavier rock, so it begins to sink down under the continental plate and into the mantle.
还有像蒙德里安这样的艺术家怎么样？他们的画完全是由水平和垂直的线条包围着色块构成的。
And what about artists such as Mondrian, whose paintings consist exclusively of horizontal and vertical lines encasing blocks of colour?
冲击波形成了一个由压缩气体分子构成的圆锥体，它朝四面八方向外和向后移动，一直延伸到地面。
The shock wave forms a cone of pressurized air molecules which move outward and rearward in all directions and extend to the ground.
我们有了关于蛇类进化的新概念以及新的DNA数据，所有这些都是关于蛇毒基因构成的信息。
We have these new concepts of snakes' evolution and a new DNA database, all these information on the genetic makeup of snake venom.
在提倡这种方法时，黛博拉·戈登引用了一些实验，在这些实验中，对蚁群构成的干预扰乱了工蚁的活动。
In advocating this approach, Deborah Gordon cites experiments in which intervention in a colony's makeup perturbed worker activity.
政府正在计划投资几十亿建一个由水渠、水管和高架水道构成的系统，将水从潮湿的南方转调到干旱的北方。
The government is planning to invest billions in a system of canals, pipelines and aqueducts to divert water from the soggy south to the parched north.
所有人都被拘禁在萨勒姆监狱中，这是一座用花岗岩砌成、装有铁栅栏窗户和砖墙砌成的牢房构成的可怕建筑。
All were detained in the Salem Gaol, a grim edifice of granite blocks, iron-barred windows and brick-walled cells.
现代灌溉设备每台的日喷水量可以达到四百五十万升，从而形成了一种像群岛一样的由几何圆形的绿色农田所构成的景观。
Modern irrigation devices, each capable of spraying 4,5 million liters of water a day, have produced a landscape dominated by geometric patterns of circular green islands of crops.
现代灌溉设备，每台的日喷水量可以达到四百五十万升，从而形成了一种像群岛一样的由几何圆形的绿色农田所构成的景观。
Modern irrigation devices, each capable of spraying 4.5 million liters of water a day, have produced a landscape dominated by geometric patterns of circular green islands of crops.
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