1) Melilotus albus Desr
裸难地
1.
The result showed as following; with its features of strong-adaptability , great capability of water and soil conservation , fixing nitrogen and improving the fertility of soil , being good forage grass for high content of protein and rich nutrients , sowing simply , light disease and insect pests , Melilotus albus Desr was the suitable pioneering seeds on bare land.
白花草木樨播种简便、病虫害少,是裸难地极好的绿化先锋草种和优质饲草。
2) bare soil
裸地
1.
The contrastive lysimeter experiments of groundwater evaporations between winter wheat field and maize field, corn field and bare soil are conducted with water table of lm,1.
5m四个不同地下水埋深条件下的冬小麦、夏玉米潜水蒸发与裸地潜水蒸发的对比试验,结果表明,裸地潜水蒸发的主要影响因素为大气蒸发能力及地下水埋深;有作物生长条件下的潜水蒸发的主要影响因素为作物生长发育阶段、作物腾发量及地下水埋深;在相同埋深情况下,作物的潜水蒸发规律与作物的腾发规律存在一定的差异,与大气蒸发能力的变化趋势则存在较大差异;不同潜水埋深情况下的冬小麦和夏玉米潜水蒸发规律随作物生长发育阶段变化相似。
2.
It s very important for us to study the moisture and heat fluxes quantitatively over the grassland and the bare soil in the semi-arid area.
沙尘暴的发生与土体缺乏草本、灌木有效保护和植被覆盖度低有关,定量地研究半干旱地区草地与裸地水热通量具有十分重要的意义。
3) Bare land
裸地
1.
The effects of vegetation type, rainfall intensity, surface crust, and weed cover on rainfall infiltration and runoff on grassland and bare land were studied under simulated rainfall conditions.
利用野外模拟降雨试验,研究了植被类型、降雨强度、地表结皮、覆盖杂草等对荒草地和裸地降雨入渗、产流的影响。
2.
The result shows that the bare land was 20km2 from 1986 to 1998 and that newly increased bare land dropped to 1.
结果显示1986至1998年新增裸地20km2,而1998至2002年新出现裸地降至1。
3.
Two types of land surface have been taken into consideration, they are bare land without any vegetation on it and eucalyptus forest land without any undercover.
本文研究了水滴动能与地表侵蚀的相互关系问题,通过对相邻的两个地类:没有任何植被的光裸地和地表同样光裸但有人工桉树林的2个试验小集水区的对比研究,说明了单位雨量下的侵蚀强度与水滴动能存在最为紧密的关系。
4) diggings barren site
矿区裸地
5) eroded bare land
侵蚀裸地
1.
We measured diurnal dynamics of soil respiration rates for different restoration communities in eroded bare land in the Hetian town,Changting county,Fujian province by closed-chamber infrared gas analyzer(IRGA) method,and the rates measured by this method were compared with those measured by the alkali absorption(AA) method.
采用密闭室红外气体分析仪法(IRGA法)观测了中亚热带红壤侵蚀裸地植被恢复后不同季节土壤呼吸速率的日动态变化,并比较了IRGA法与碱吸收法(AA法)测定的土壤呼吸速率。
6) bare saline-alkaline patch
盐碱裸地
补充资料:难夫难妻(难nàn)
一名《洞房花烛》。故事片。亚细亚影戏公司1913年摄制。郑正秋编剧,张石川、郑正秋导演。一对素不相识的青年男女,经媒婆撮合拜堂成亲,在封建礼教桎梏下开始艰难的夫妻生活。为中国第一部故事片。
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