��长度。不允许负值。</dd>
			</dl>
			<h3 class="g-color-light">&lt;ellipse-size&gt; ellipse 接受该值作为 size</h3>
			<dl>
				<dt><a href="../length/length.htm">&lt;length&gt;</a>：</dt>
				<dd>用长度值指定椭圆径向渐变的横向或纵向半径长度。不允许负值。</dd>
				<dt><a href="../numeric/percentage.htm">&lt;percentage&gt;</a>：</dt>
				<dd>用百分比指定椭圆径向渐变的横向或纵向半径长度。不允许负值。</dd>
			</dl>
			<h3 class