这个日程安排对象包含哪些具体活动或任务，能否详细说明？

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每日安排对象：[{date: 2017/12/15, week: 星期五, citys: [{area: 海口市, code: 460100, level: null, parentId: null, pinyin: null, days: 1}, {area: 三亚市, code: 460200, level: null, parentId: null, pinyin: null, days: 1}]}]

日程安排对象

[ { "date": "2017/12/15", //"week": "星期五", "citys": [ { "area": "海口市", "code": "460100", "level": null, "parentId": null, "pinyin": null, "days": 1 }, { "area": "三亚市", "code": "460200", "level": null, "parentId": "460000", "pinyin": null } ], "sites": [ { "startTime": "06:30", "siteInfo": { "address": null, "area": null, "createBy": null, "createTime": null, "enable": null, "id": null, "id_": "", "image": "site-dir/20171211/046523d2-264c-497c-9f4d-ffa9cab1cf39.jpg", "remark": null, "siteNo": "100042", "siteSortId": null, "siteTitle": "三亚湾红树林度假世界", "siteX": null, "siteY": null, "sortId": "", "sortName": null, "status": null, "updateBy": null, "updateTime": null, "version": null }, "cityCode": "460200", "projects": [ { "adultPrice": null, "childPrice": null, "coverBig": null, "coverSmall": null, "createBy": null, "createTime": null, "enable": null, "id": null, "id_": "", "itemBrief": null, "itemDetail": null, "itemNo": "100044", "itemStatus": null, "itemTitle": "观光项目", "productName": null, "productNo": null, "shareDesc": null, "shareTitle": null, "siteName": null, "siteNo": null, "sortId": null, "sortName": null, "strAdultPrice": null, "strChildPrice": null, "strLimitPrice": null, "strRetailPrice": null, "strSortId": null, "strTypeId": null, "suggestions": null, "typeId": null, "typeName": null, "updateBy": null, "updateTime": null, "useNumber": null, "useTime": null, "version": null } ] } ] }, { "date": "2017/12/16", //"week": "星期六", "citys": [ { "area": "琼海市", "code": "469002", "level": null, "parentId": null, "pinyin": null, "days": 1 } ], "sites": [] }, { "date": "2017/12/17", "week": "星期天", "citys": [ { "area": "三亚市", "code": "460200", "level": null, "parentId": null, "pinyin": null, "days": 2 } ], "sites": [] }, { "date": "2017/12/18", //"week": "星期一", "citys": [ { "area": "三亚市", "code": "460200", "level": null, "parentId": null, "pinyin": null, "days": 2 } ], "sites": [] } ]