前三个强度级几乎可以区分所有字符。
Almost all characters can be distinguished by the first three strength levels.
这个属性不影响排序键的长度，除非还增加了强度级。
Sort key length will not be affected unless the strength level is also increased.
该条给出了电话耳机处相对于该耳机发出的声压级的，所建议的感应场的强度级和频率特性。
It presents recommended levels and frequency characteristics for the inductive field at the telephone earphone relative to a sound level presented at the same earphone.
应用推荐