它的值可以是数字或字母,且在所有元素中应保持惟一。
Its value can be a number or letter and should be unique among all the elements.
将要成为标题名称的其他元素名称的首字母要大写。
Capitalize the first letter of other elements' name to be the header name.
盲文生活用具系列通过加入盲文字母在日常物品的可触摸元素,使盲人朋友有一种动态、可触觉的体验。
The Contact Series gives a dynamic and sensorial experience to the visually impaired user by adding a tactile element in the form of braille lettering to everyday objects.
Somebody rose and asked him if he had considered putting the elements in alphabetical order. They were very cruel.
有人起来问他,是否考虑过将这些元素,按字母顺序排列,他们非常冷酷。
Remember, all you have to do is fill in the one or two-letter abbreviation for the chemical symbol.
记住,你们只要,用一两个字母的缩写,来代表化学元素就可以了。
You are required only to put the one or two-letter chemical abbreviation, the symbol.
你们只需要,用一两个字母来代表一个化学元素。
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