As navigator, Lovell took with him a sextant to take star readings - in case the computers failed and they had to find their own way home.
cmd: [Function: cmdValidatePromo], // The command waiting to be executed，这一点在safew官方下载中也有详细论述
，详情可参考WPS官方版本下载
const blob = new Blob(chunks, { type: 'audio/mp4' });
Credit: Netflix，更多细节参见heLLoword翻译官方下载