Look at this granite carefully. The red-colored minerals account for some 70% of the total rock. They are mostly rectangular in shape with a grain size of 3 millimeters.
请仔细观察这块花岗岩石，其中的红色矿物占全岩矿物的百分之70，而它们的颗粒形态多数是矩形的，颗粒的粒径在3个毫米。
The ivory Buddha carved by Shen Weizhong is the world's smallest piece of sculpture, its size being just four-fifths of a grain of rice.
沈为众雕刻的象牙佛像是世界上最小的雕刻，它只有一粒米的五分之四大。
The ivory Buddha carved by Shen Weizhong, a contemporary Chinese sculptor, is the world's smallest piece of sculpture, its size being just four-fifths that of a grain of rice.
中国当代雕刻工艺师沈为众雕刻的象牙佛像是世界上最小的雕刻。 这个象牙佛像只有一粒米的五分之四大。
I managed to take one optically stimulated luminescence (O.S.L.) sample at the suspected delta, as well as a few samples for grain size analysis.
我试着在怀疑是三角洲的地方带一个光释光样本，并带一些样本用于晶粒尺寸分析。
Batteries that are the size of a grain of salt — or smaller — could power sensors that detect viruses, chemicals and more, said Philip Collins, a scientists at the University of California, Irvine.
加州大学欧文分校的的科学家菲利普·科林斯说，尺寸如盐颗粒大小的电池能够给传感器提供动力，为那些用于检测病毒和化学物质等传感器提供动力。
Digitized pets: Million of cats and dogs have been equipped with chips the size of a grain of rice, which contain their owners' contact information in case the animals get lost.
—数字化宠物：给成百万只猫和狗装入米粒大小的芯片，内含它们主人的联系信息，以防它们走失。
“Sometimes more than a thousand, ” he wrote, “in anamount of material the size of a grain of sand.”
他写道，“有时一粒沙子大小的样本中就有超过一千的微生物。”
Far more worrying are several radioactive chemicals released as particles about one-quarter the size of a grain of sand. These include iodine-131, strontium-90 and cesium-137.
更令人担忧的是一些释放出的颗粒状放射性化学物质，这些颗粒仅仅是沙粒大小的四分之一，它们包括碘- 131、锶- 90和铯- 137。
As these rise, they latch on to dust in the air and become particulates, a quarter the size of a grain of sand.
上升过程中，这些元素附着在空气中的尘埃上，变成微粒，大小相当于一粒砂子的四分之一。
However, given the small sample size and limited nature of the population studied, naturally these results should be taken with a grain of salt until replicated by other researchers.
但因研究对象范围小以及研究对象的局限性，在有其他研究者进行此研究前，对此研究结果应持谨慎态度。
The oyster dutifully coats the little marble with anouter layer of pearl and much time is saved not having to grow each pearl upfrom the size of a sand grain.
牡蛎会尽职尽忠地为自己腹中的小珠子包裹上一层又一层的珍珠质。 比起那些要从小沙粒开始慢慢成长的珍珠，人工的方法明显会节省很多时间。
Together they have devised a wireless cardiac-stimulation (WiCS) device that uses focused ultrasound to stimulate a tiny receiver device, the size of a grain of rice, placed within the heart.
他们一起设计了无线心脏起搏器wireless cardiac-stimulation (WiCS)device，该设备通过超声波进行聚焦，刺激位于心脏内米粒大小的微型接受器。
John Kitching and colleagues at the National Institute of Standards and Technology (NIST) in Boulder, Colo., are designing atomic clocks that range in size from a sugar cube to a grain of rice.
在科罗拉多州博尔德的国家标准与技术学会(NIST)工作的John Kitching及其同事正在设计一系列微型电子钟，尺寸从一块方糖到一粒米大小。
The marked difference, however, is that China produces the same amount of grain on only half the size of US crop-land but supports a population nearly four times that of the United States.
然而，明显不同的是，中国仅以美国一半的可耕地生产了同样数量的粮食，并且负担了近乎美国人口四倍的人民的吃饭问题。
This method may be used to control and predict the solidified grain size, provide a concise means for optimizing experimental design, and be of big practical value.
这表明，用这一方法可对凝固晶粒尺寸进行控制和预测，为优化实验设计提供了简便实用的手段，具有较大的实用价值。
Each microdot is the size of a grain of sand and contains an identifier.
每颗微粒都是一粒沙粒的大小并且包含一个辨识码。
The radio-frequency identification (RFID) chips are about the same size as a grain of rice and store personal security information which can be transmitted over short distances to special receivers.
这种射频识别芯片和一粒米大小类似，存储有个人安全信息，可以短距离传输给特定的接收器。
"We can make sensors the size of a grain of sand or smaller, but we don't have a good way to power those sensors, " for months or even years, said Collins.
科林斯还说，数月甚至数年来“我们就能够制作出甚至比盐粒还小的传感器，但是我们没有好方法来给他们提供动力。”
Because of vast volume of a dam, the coarse aggregate of concrete used for constructing a dam is of large grain size and more grading.
由于水坝的体积大，用来筑坝的混凝土的粗骨科粒径大、分级多。合理确定最大粒径、分级尺寸和级配十分重要。
The text also looks just as sharp as ink on a printed page, since each capsule is the size and pigment of a grain of laser-jet toner.
显示文本酷似白纸黑字，因为这种微粒的大小和色质与激光打印机的墨粉颗粒一模一样。
There is a general decrease in grain size upward .
粒度一般是向上递减的。
For carbohydrates, such as whole grain, rice or pasta, a serving is roughly the size of your fist.
至于碳水化合物，比如谷物，米饭或面食，份量应相当于你的拳头大小。
All of these computer programs provides a real computing mean of simulating rolling process, forecasting grain size of rolled products, optimizing technological parameters.
所有这些程序的编制完成为进行轧制过程的数值模拟、晶粒尺寸预报及生产工艺优化提供了现实计算工具。
As the grain size decreases, there is a significant increase in the volume fraction of grain boundaries or interfaces.
当晶粒尺寸减少时，晶粒边界或界面的体积分数有很大的增加。
According to the experiment, the effects of rolling parameters on the extent of austenite recrystallization and grain size show a varying way in different temperature area.
在试验基础上就一般强度船板钢热变形时奥氏体再结晶百分数及晶粒尺寸与工艺参数的关系进行了研究。
A uniform grain size in the lime stone ore presents a linear relationship between activity and firing parameters, otherwise a peak value appears.
石灰石矿中晶粒度大小均一，则活性度与熔烧参数呈线性关系，反之则有峰值出现。
A uniform grain size in the lime stone ore presents a linear relationship between activity and firing parameters, otherwise a peak value appears.
石灰石矿中晶粒度大小均一，则活性度与熔烧参数呈线性关系，反之则有峰值出现。
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