The heat shield will need to be tested to see if it can safely return the materials
建设单位：西安绿和房地产开发有限公司（企业法人：王栋，项目负责人：林炫）；施工单位：浙江凤山建设工程有限公司（企业法人：王祯标，项目经理：张玉兴）；监理单位：陕西省工程监理有限责任公司（企业法人：杨卫，总监理工程师：杨旋）
，这一点在safew官方版本下载中也有详细论述
float r_sequence(int x, int y)
This was Collins's last flight. She tells us that she always planned to stop after her fourth mission - to give others a chance to go to space.