1·在这些病例中有255例已经死亡。
Of these cases, 255 were fatal.
2·它应当始终为255。
It should always be 255.
3·一共有 256 种线程优先级（从 0 到 255）。
There are 256 thread priorities (zero to 255).
4·该色度计读数的值为255。
This colorimeter reading has a value of 255.
5·仅2005年，就有25.5万人死于哮喘。
In 2005 alone, 255 000 people died of asthma.
6·名称的长度必须在 3 到 255 个字符之间。
The name must be between 3 and 255 characters.
7·寄存器的数据类型为 VARCHAR(255)。
The data type of the register is VARCHAR(255).
8·该色度计读数的值为255。
This colorimeter reading is has a value of 255.
9·限制字符串的长度(图18中的255)。
Limit the length for strings (255 in Figure 18).
10·如果小于255，则会用空格填补。
If it's less than 255 it will be padded with blanks.