<p><span style="background-color: transparent; color: rgb(68, 68, 68); font-family: Arial,Helvetica,sans-serif; font-size: 14px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; word-break: break-all; word-spacing: 0px; word-wrap: break-word;">确定观察原则,<span style="display: inline !important; float: none; background-color: transparent; color: rgb(68, 68, 68); font-family: Arial,Helvetica,sans-serif; font-size: 14px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; word-break: break-all; word-spacing: 0px; word-wrap: break-word;">选择观察对象</span></span></p>