^ array:26 [ "pic_title" => "数学人教新课标A版2.2.2用样本的数字特征估计总体的数字特征学案1含答案" "photo_pic_id" => 29111336 "pic_resource_ext" => "" "pic_extion" => 17 "pic_intro" => "数学人教新课标A版2.2.2 用样本的数字特征估计总体的数字特征 学案1含答案 数学 人教新课标A版 必修3 学案" "pic_intro_new" => "数学 人教 新 课 标 a 版 样本 数字 特征 估计 总体 学案1含答案 必修3 学案" "pic_intro_new_pinyin" => "shuxue renjiao1 xin ke2 biao a ban2 yangben shuzi5 tezheng guji4 zongti xueanyihandaan bixiusan xuean1" "pic_category_id" => 409 "pic_category_parent" => 46 "pic_category_top" => 5 "pic_version_type" => 2 "pic_upload_ymd" => "2017-11-18 15:35:42" "pic_preview_detail_width" => 1024 "pic_preview_detail_height" => 1442 "pic_preview_list_width" => 600 "pic_preview_list_height" => 845 "pic_extension_des" => "doc" "pic_color_mode" => "rgb" "pic_dpi" => 0 "pic_id" => 8468042 "pic_type" => 5 "pic_auth_uid" => 0 "pic_delete" => 0 "pic_recommand" => 0 "pic_resource_width" => 1023 "pic_resource_height" => 1449 ]