无法将此SVG动画作为Google地图上的标记进行展示。
<svg width="120px" height="120px" viewBox="0 0 120 120" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g fill="none" fill-rule="evenodd" stroke-width="1" stroke="black" stroke-opacity="0.3">
<circle cx="50" cy="50" r="50">
<animate attributeName="r" begin="0s" dur="3s" values="0;50" keyTimes="0;1" keySplines="0.1,0.2,0.3,1" calcMode="spline" repeatCount="indefinite"></animate>
<animate attributeName="stroke-opacity" begin="0s" dur="3s" values="0;.3;.3;0" repeatCount="indefinite"></animate>
</circle>
<circle cx="50" cy="50" r="30">
<animate attributeName="r" begin="-1s" dur="3s" values="0;50" keyTimes="0;1" keySplines="0.1,0.2,0.3,1" calcMode="spline" repeatCount="indefinite"></animate>
<animate attributeName="stroke-opacity" begin="-1s" dur="3s" values="0;.3;.3;0" repeatCount="indefinite"></animate>
</circle>
</g>
</svg>