bare adj. 1.裸的,裸体的;无遮蔽的,赤裸裸的。 2.空的,空虚的,无…的 (of). 3.仅有的,极少的,勉勉强强的;单,徒。 4.无装饰的,朴质的;坦率的;煞风景的。 5.(织物)穿旧了的。 bare facts 赤裸裸的事实,明摆着的事实。 bare feet 赤脚。 bare hands 徒手,空手。 bare sword 出鞘的剑。 with one's bare head 不戴帽,光着头。 a bare and barren land 不毛之地。 a room bare of furniture 空无家具的屋子。 be bare of credit 缺乏信用。 a bare contract 【法律】无条件契约。 bare necessities of life 刚够维持生命的必需品。 bare possibility 仅有的(一点点)可能性[希望]。 a bare majority 勉勉强强的过半数。 at the bare thought [idea] 一想起…(就)。 bare cloth 稀布;方眼布。 bare livelihood 仅能糊口的生活。 bare navy 〔美俚〕(海军)光是罐头的食品。 believe (sth.) on sb.'bare word 光听某人的话就相信(某事)。 lay bare 露出,暴露,揭发,戳穿;表白,说出。 (escape) with bare life 仅留性命(逃脱),仅以身免。 vt. 1.剥去,剥发;拔出(剑等)。 2.敞开,露出,暴露。 bare one's head 脱帽。 bare one's heart [soul, thoughts] 剖白[表明]心意。 bare2 〔古语〕 bear 的过去式。
soil n. 1.泥土,土壤;土质。 2.土地,国土。 3.滋生地,温床。 4.农业生活,务农。 clayey [sandy] soil 黏[砂]壤。 poor [rich] soil 瘦[肥]土。 high soil 轻质土。 alluvial soil 冲积土。 arable soil 耕地。 a tiller [child, son] of the soil 农民;本地人。 the lord of the soil 领主,地主。 soil conservation 土壤保持。 soil invaders 【农业】土壤寄居菌。 on foreign soil 在外国。 one's native [parent] soil 故乡,祖国。 n. 1.脏东西,污物,污秽,污斑。 2.粪尿,肥料。 a soil pipe 污水管。 night soil 粪便。 vt. 1.弄脏,弄污;污染,污损。 2.污辱,败坏。 3.给…上粪[施肥]。 vi. 被弄脏,变脏。 soil one's hands with 〔比喻〕因…弄脏手;染手。 It soils easily. 那东西容易脏。 soil a field 给田施肥。 soiled clothes 脏衣服。 vt. (给畜舍内畜牲)喂青草[青饲料];(用青饲料给畜牲)通便;催肥。 soiling crops 青饲料作物。
Large area forest and bosk ( in liupan mountain ) , dense grass ( moon mountain ) , river and irrigative area , water , bare soil , each distribution characaters is differened from others . the case is showed that vegetation covered influence surface moist - heat character 大面积的森林和灌丛(如六盘山一带) 、茂密的草地(如月亮山) 、河流边缘及附近有灌溉的地域(分布有草地和农田) 、水体以及裸地区,这些区域各量的分布特征与其周围地域明显不同。
It is a very complicated problem to estimate evapotranspiration ( et ) over a large area natural surface . based on the information of satellite remote sensing and geography , the natural surface is divided into 6 categories : water , bare soil , dense grass , partly grass covered , forest , bosk 利用遥感资料求取ndvi ,依据ndvi和地理信息资料,将地表分成6类:水体、裸地区、草地?裸地区(有草覆盖但未完全覆盖) 、草地完全覆盖区、树林区、灌木丛区。
For parameter a , there is a close relationship exist between a ( 9 , sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture , we get the final expression of the inversion model : where mv ( t1 ) , mv ( t2 ) is volumetric soil moisture content in two different temp , c , d is soil type related parameters , and v ( t1 ) , s ( t2 ) is coresponding bare soil radar backscattering coefficients . inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40 , the soil moisture change value can be derived with an acceptable accuracy using the above model . the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover , as well as the soil hydraulic characteristics 利用最新发展的电磁波散射模型研究了不同植被覆盖地表雷达波对地表土壤水分的敏感性,建立了半经验植被雷达后向散射模型; 2 ) .研究发现在农作物等矮小植被覆盖地表,植被层直接后向散射与植被类型相关,且在植被生长期,雷达后向散射系数对植被含水量的敏感性要高于对植被高度变化的敏感性; 3 ) .解决了单参数雷达地表土壤水分反演问题中,雷达入射角和地表粗糙度的影响这一难点问题; 4 ) .利用土壤介电模型校正了不同土壤类型对反演地表土壤体积含水量的影响; 5 ) .在以上成果基础上,建立了完整的单参数雷达地表土壤水分变化探测反演算法,经地表验证,模型反演地表土壤水分变化值的精度为rmse = 0
The maximum of instantaneous global radiation is beyond 1000w / m2 and the ten - days average intensity is 338 . 90w / m2 because of high atmospheric transparency over semi - arid rainfed agriculture region of loess plateau between june and august . global radiation , reflected global radiation and surface long wave radiation emerge the characteristic of daily variations on a typical clear day and cloudy day , whereas atmospheric long wave radiation has not this characteristic . meanwhile , net radiation , latent heat flux sensible heat flux and soil heat flux appear the same characteristic as the mean daily variations above spring wheat field and bare soil on a typical clear day and cloudy day 黄土高原半干旱雨养农业区夏秋季大气透明度较高,晴天地面的总辐射值最大瞬时值均超过1000w m ~ 2 , 6 8月总辐射旬平均强度为338 . 90w m ~ 2 ;典型晴天和阴天总辐射、反射辐射、地表长波辐射均表现出明显的日变化特征,而雨天没有明显的日循环规律;无论是晴天、阴天还是雨天,大气长波辐射基本没有明显的日变化规律。
The evapration of water area is calculated by et0 multiplied by kc ; and then the evapotranspiration estimation models for other categories ( singular underling surface ) are presented ; based on bare soil and dense grass models the evapotranspiration estimation models for partly grass covered surface is presented combined with vegetation fraction data . it is feasible and logical each categories using singular way and mean , the result of regional evapotranspiration over south ningxia is given 将水体单独处理,由参考作物蒸散乘以比例系数直接计算得出水体蒸发;建立了4种单一类型下垫面(裸地区、草地完全覆盖区、乔木林区、灌丛区)蒸散计算模型;对混合下垫面(草地?裸地区)区域蒸发(散)计算方法使用裸土和草地完全覆盖蒸发(散)计算模型,然后结合植被覆盖度给出。