您要查找的是不是：
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- On maps, a cross is the symbol for a church. 在地图上，十字符号代表教堂。
- Cypress branches used as a symbol of mourning. 柏枝作为悲哀象征的柏树枝
- We use x as the symbol for an unknown quantity. 我们用x表示一个未知数。
- The white bird is a symbol of freedom. 这白色的鸟是自由的象徵。
- The Cross is the symbol of Christianity. 十字架是基督教的象征。
- The lion is the symbol of courage. 狮子是勇武的象徵。
- The dove is the symbol of peace. 鸽子是和平的象征。
- The density of population in this city is very high. 这个城市的人口密度非常高。
- A mark or symbol used in a writing system. 符号，字体文字系统里的符号或标记
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- The symbol for the Roman numeral one hundred. 罗马数字中表示一百的符号
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- He only bought the yacht as a status symbol he hates sailing. 他买游艇只是为了显示身分--其实他根本不喜欢玩游艇。
- symbol density 符号密度
- The density goes down exponentially with height. 分子密度随着高度的上升而指数衰减。
- The population density is evened out. 种群密度亦趋于均匀化。
- A matrix used in constructing a symbol or character image on a display screen. 用来在显示屏幕上构造出一个符号或字符图象的一种点阵。
- The michelin restaurant guide use a chef's hat as a symbol of quality. 米奇林餐馆手册用厨师长帽作为质量的标志。
- Density exceeded 100 nests per mile. 丝巢密度超过每英里100巢。
