A.重要特點(diǎn)不能少于四點(diǎn)
B.不要對(duì)某項(xiàng)特點(diǎn)做進(jìn)一步說(shuō)明
C.重點(diǎn)不宜過(guò)多,最好不超過(guò)三點(diǎn)
D.每項(xiàng)特點(diǎn)不宜用過(guò)多的語(yǔ)言說(shuō)明,最好不超過(guò)3句話
E.如需對(duì)某項(xiàng)特點(diǎn)進(jìn)一步說(shuō)明時(shí),最好是在簡(jiǎn)要介紹全部特點(diǎn)之后,對(duì)這項(xiàng)特點(diǎn)進(jìn)行詳細(xì)說(shuō)明