问数组无法在谷歌地图中生成热图

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       ['Memonwada Fire Station', 18.9579624, 72.8327018], ['Mulund Fire Station', 19.1753292, 72.942664], ['Municipal Head Office, Mumbai', 18.9403642, 72.834503], ['N Ward Office', 19.0839316, 72.9064422], ['Nair Hospital', 18.9712447, 72.8209136], ['Nariman Point Fire Station', 18.9230687, 72.826101],
       ['P North Ward Office', 19.1877853, 72.8423072], ['P South Ward Office', 19.1626595, 72.8464575], ['Prabodhankar Thackeray Natya Mandir', 19.2329298, 72.8546206], ['Rawali Camp Fire Station', 19.0355154, 72.8668983], ['S Ward Office', 19.1390295, 72.9304517], ['SWM Santacruz Workshop', 19.0843377, 72.8359724],
       ['SWD Workshop Dadar', 19.0125054, 72.8373092], ['Versova Pumping Station', 19.142988, 72.820361], ['Vikhroli Fire Station', 19.1009895, 72.918176], ['Vile Parle Fire Station', 19.0926029, 72.8440694], ['Wadala Fire Station', 19.0248942, 72.8702793], ['Worli Fire Station', 19.0133214, 72.8236434]];
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