Names should be formed from the 26 upper and lower case letters (A .. Z, a .. z), the 10 digits (0 .. 9), and _ (underbar).
变量名应由26个大小写字母(A..Z,a..z),10个数字(0..9),和_(下划线)组成。
It took millions of years for fossil fuel to be formed from plants.
从植物变成矿物燃料约需几百万年。
Each transistor may be formed from a gate insulating layer formed on a semiconductor.
每个晶体管可以由形成在半导体上的栅极绝缘层形成。
In the wet process the web of fibers may be formed from a suspension of the fibers in water.
在湿法成网过程中，可以利用悬浮在水中的纤维形成纤维网。
Leibniz discovered that any number of symbols could be formed from patterns of these two marks.
莱布尼茨发现，任何数目的符号都可以由这两种记号的图案所组成。
The transistor gate may be formed from first and second gate conductors with different work functions.
晶体管栅极可以由具有不同功函数的第一栅极导体和第二栅极导体形成。
Your program must find all sets of words in the dictionary which can be formed from the letters in each phrase.
对于每一个短语，字典中可能存在多个可以重组为该短语的单词集合，你的程序要把所有这些单词集合都找出来。
B-Type starch crystallites can be formed from dissolving and frozen-crystallizing the acid-hydrolyzed maize starch.
酸解玉米淀粉经过溶解及冷冻结晶后可形成B型淀粉微晶。
Disclosed are environmentally friendly polymeric composite materials and products that can be formed from the composites.
公开了环境友好型聚合物复合材料和可由该复合材料形成的产品。
The pressure-sensitive element (105) may be formed from conductive composite material formed of a polymer and a conductive filler.
压敏元件（105）可由传导复合材料形成，该传导复合材料由聚合物和传导填料组成。
Alternatively, the fluid reservoir (100) can be formed from flexible polymer materials that are bonded along seams (118) to demarcate a flow channel (102).
作为选择，流体贮存器(100)可以由柔性聚合物材料构成，所述柔性聚合物材料沿着接缝(118)结合以划分流道(102)。
However, it is understood by those skilled in the art that the base 86 can be formed from a variety of high strength, light weight material, such as a metal alloy.
然而，本领域的技术人员可以理解基座86可以由各种高强度，轻重量的材料构成，诸如金属合金。
By means of the structure decomposed method, its calculation is simple and data selection is flexible so that a complex structure can be formed from those familiar structures.
文中详细地讨论了刚度变量法中将结构分解设计的方法，其计算简捷，选值灵活，可由熟悉的结构组成复杂结构。
Upon further increase of the exogenous hormone concentration, new ovule primordia could be formed from the proliferated nucellus cells, which further developed into many new ovules.
进一步提高外源激素浓度，珠心细胞又可以分化出新的胚珠原基，进一步长大以后发育成许多新的胚珠。
Enzymatic digestion of Bence Jones proteins in vitro has shown that typical amyloid fibrils with a beta-pleated sheet configuration can be formed from some, but not all, Bence Jones proteins.
本周蛋白在体外的酶消化过程显示典型的具有β-折叠片结构的淀粉样蛋白纤维能通过一些，但不是全部的，本周蛋白生成。
It is approved from a great number of geochemical data that hydrocarbons could be formed from co, CO2 and H2 in global inorganic synthetic zones by geologic evolution process to a great extent.
指出，现今大量的地球化学资料证实，烃类在很大程度上是由天然的CO、CO2、H2在全球无机合成带的地质演化过程中形成的。
It is approved from a great number of geochemical data that hydrocarbons could be formed from co, CO2 and H2 in global inorganic synthetic zones by geologic evolution process to a great extent.
指出，现今大量的地球化学资料证实，烃类在很大程度上是由天然的CO、CO2、H2在全球无机合成带的地质演化过程中形成的。
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