Soil seed banks of bare alkali - saline patches , which were extremely small and difficult to recruit naturally , may inhibit speed of vegetation restoration 土壤种子库缺乏是限制次生光硷斑的植被自然恢复能力的一个重要因素。
In the middle of a sedate conversation about the crops of the year , started by ilagin , nikolay pointed out the black and tan bitch 伊拉金郑重其事地提到今年的收成，谈话谈到半中间时，尼古拉向他指了指他自己那只红花斑的母犬。
These include plaque psoriasis , a condition where scaly patches form on the skin , and alopecia areata , an autoimmune disorder that causes hair loss 这其中包括银屑病，一种皮肤上有鳞状斑的皮肤病，和斑秃，一种引起脱发的自身免疫性疾病。
It occurs when part of the retina called the macula , which is at the centre of a persons vision , degenerates over time , destroying central vision 称作斑的物质是视网膜的一部分，位于人的视觉中枢，随着时间的推移它会退化，损害视觉中枢引发amd病。
This paper systematically explains the cause of metal patch formation and puts forward prevention measure of lacquer film during the painting and decoration of passenger train production 摘要系统地介绍了客车涂装生产中金属色斑的形成原因及防治措施。
Because the case was not associated with ichthyosis or epidermal nevus , we think it best fits into the category of nevoid hyperkeratosis of the nipple and areola 因为此病例没有鱼鳞癣及表皮母斑的病史，因此我们认为本病例为母斑型的乳头及乳晕过角化症。
Within this hypothesis , interspersed dark sand would explain the color of the spots , while the underlying frozen co2 would explain the coolness of the spots 在这个假说的架构内，挟杂的暗色砂粒可以解释暗斑的颜色，而下方的乾冰可以解释暗斑所具有的温度。
Let me go through all your flocks today and remove from them every speckled or spotted sheep , every dark - colored lamb and every spotted or speckled goat 32今天我要走遍你的羊群，把绵羊中凡有点的，有斑的，和黑色的，并山羊中凡有斑的，有点的，都挑出来。
Some very fine grounds can also find their way into the beverage , along with cell wall fragments , which endow the foamy crema with what is called the tiger - skin look 一些特别细致的咖啡粉末连同细胞壁的碎片，也会进入咖啡当中，赋予泡沫状的克丽玛出现所谓虎皮斑的外貌。
Emcut 103 compounded well - balanced extreme pressure additives system to achieve rapid heat dissipation and chip removal performance , but not cause any staining problem Emcut 103所含平衡良好的极压添加剂系统，能达到快速散热与磨屑清除的性能，但却不会造成任何油斑的问题。
