上楼梯的人低角度摄影(people walking up stairs low-angle photography) 资源编号 :41653098 格式:jpg 文件体积 :2m 分辨率 :2944 x 4028 爱给网提供海量的高清图库资源素材免费下载, 本次作品为jpg 格式的上楼梯的人低角度摄影(people walking up stairs low-angle pho
Apparatus for aiding people in walking up and down stairsUS4823524 1987年7月9日 1989年4月25日 Bednar; Joseph A. Apparatus for aiding people in walking up and down stairsUS4823524 * Jul 9, 1987 Apr 25, 1989 Bednar Joseph A Apparatus for aiding people in walking up and down stairs...
People walking up stairs with motion blur.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工商银行等数万家企业
In addition, time trends (1993-2006) for the variable walking for one hour, but not for walking 10 steps without help (Figure 2) also exhibited a significant improvement (P < 0.01, Figure 3). The results of the multivariate analysis to estimate time trends and associated factors for older...
Lowsection of two businesspeople walking up stairs with bags in office,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招
In addition, time trends (1993-2006) for the variable walking for one hour, but not for walking 10 steps without help (Figure 2) also exhibited a significant improvement (P < 0.01, Figure 3). The results of the multivariate analysis to estimate time trends and associated factors for older...
(13.5 kg) [36] and 2.2 kg less than the wearable walking assistance device for the elderly designed by Younbaek Lee (9.9 kg) [25]. The exoskeleton will increase the weight the body needs to overcome when climbing stairs, causing additional energy expenditure. The total weight of J-Exo ...
The apartment was clean, spacious, and brilliantly located. The tiles throughout the apartment are really in need of an update, being badly cracked and damaged in places. The other negative was the garbage containers placed inside the building at the bottom of the stairs that we had to pass...
three business people looking towards camera and walking up stairs,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银
Business People Group Team Walking Stairs Up Flat Vector Illustration,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招