45.6MB 格式JPG 编辑图片 以图搜图 大图:3456×4608像素·29.26cm ×39.01cm·300dpi·JPG 中图:750×1000像素·26.46cm ×35.28cm·72dpi·JPG 小图:375×500像素·13.23cm ×17.64cm·72dpi·JPG 了解更多 图片套餐 常见问题: 商业用途 | 授权
Scots pine (incorrectly known asScotch pine) is a fast-growing, medium-sized tree with a conical or column-shaped habit and distinctive flaking brown-red bark. It makes a good Christmas tree. Smaller dwarf varieties make some of the best types of pine trees for landscaping. Plant in a prot...
causing leaves to discolor, become stunted and fall off. Rot can often be identified by cankers, stains or vertical streaks on the trunks of infected trees. The bark may also produce a reddish-brown or dark gray sap in
Multiple sclerosis (MS) can be divided into four phenotypes based on clinical evolution. The pathophysiological boundaries of these phenotypes are unclear, limiting treatment stratification. Machine learning can identify groups with similar features usin
One who had escaped came and reported this to Abram the Hebrew. Now Abram was living near the great trees of Mamre the Amorite, a brother of Eshcol and Aner, all of whom were allied with Abram. When Abram heard that his relative had been taken captive, he called out the ...
Conversely, plus-trees that are heterozygous for ms1 have been iden- tified by examining segregation data for the progeny arising from artificial crosses; such trees provide impor- tant breeding material for seed production while avoid- ing the problems associated with inbreeding depression. However,...
Oak tree bark photograph. Very clear high quality photograph of the natural Oak tree texture. Ideal for background or overlay texture. Could also be used as a learning tool when identifying trees. ID: 1330690283 收藏 加入清单 下载版权Mad Mad Daddy TIFF大小 45.6MB 格式JPG 编辑图片 以图搜图 ...
This research presents an unmanned ground vehicle for identifying infested trees by bark beetles in mountain forests. The ground vehicle uses sensors for autonomous navigation and obstacle avoidance. The identification of infested trees is carried out by classifying the resin stains on the bark of ...
This research presents an unmanned ground vehicle for identifying infested trees by bark beetles in mountain forests. The ground vehicle uses sensors for autonomous navigation and obstacle avoidance. The identification of infested trees is carried out by classifying the resin stains on the bark of ...
This research presents an unmanned ground vehicle for identifying infested trees by bark beetles in mountain forests. The ground vehicle uses sensors for autonomous navigation and obstacle avoidance. The identification of infested trees is carried out by classifying the resin stains on the bark of ...