劣地

它只是掘劣地替代了好的课堂笔记。

It is a poor substitute for good note taking .

花岗岩崩岗侵蚀劣地的生态恢复试验研究

Experiments on ecological restoration of the slope Disintegation in an eroded granite area

侵蚀劣地不同治理措施生态系统养分积累与分配状况严重侵蚀红壤不同治理模式群落能量的研究

Accumulation and distribution of nutrients of different improving patterns in severely eroded area

可以利用劣地的，不得占用好地。

Whereas poor land can be used , no good land should be occupied .

湘中丘陵花岗岩侵蚀劣地水土保持林效益研究

Benefits of Soil and Water Conservation Forest in Granite Hilly Area of Central Hunan Province

闽南侵蚀劣地土壤肥力特征及其培肥研究

The Soil Fertility Characteristics and the Fostering of the Eroded Inferior Land in South Fujian

香根草草篱带促进侵蚀劣地生态自我修复初探

Study on Eroded Land Self-rehabilitation of Ecologic System by the Initial Help of Vetiver Grass Hedgerow

江西省红壤侵蚀劣地植被恢复技术及综合治理效果研究

Restoring Technique of Vegetation on Eroded Red Soil in Jiangxi and Benefits From Its Comprehensive Harnessing

利用优质牧草改造低丘红壤侵蚀劣地的研究

Study on Improving the Red Soil Erosive Inferior Land in Low Hills by Utilizing Fine Forage Grass

有机物料对闽南侵蚀劣地土壤有机质的影响

Effect of Organic Materials on the Soil Organic Matter of the Eroded Inferior Land in South Fujian

象草在花岗岩侵蚀劣地的适应性及其水土保持效应

Adaptability of Pennisetum purpureum to eroded badlands of granite and its effects of soil and water conservation

侵蚀劣地果园套种绿肥对地温和气温的影响

Effects of Interplanting Green Manures with the Orchard of the Eroded Inferior Lands on the Air and Ground Temperature

试验表明，在侵蚀劣地上种植牧草，可减少地表径流量50%～60%，减少泥沙冲刷量60%～90%；

It is shown by the experiments that , by planting forage grass in the erosive inferior land , 50 % ~ 90 % sediment erosion can be reduced ;

大量调查和观测研究证明，在干旱、瘠薄的侵蚀劣地，乔木生长不良，而灌木具有较强的适应性，并具有较好的生态效益及经济效益。

A great amount of investigation and observation had indicated that arbor trees cannot grow well in the arid barren erodible inferior land while shrub has a stronger adaptability and can generate better economic benefits .

他的劣行大大地制造了麻烦。

His nasty behavior has more than created some trouble .

继电器触头在分断或接通电路时都有可能在触头间发生电弧，它会使触头工作条件劣化，极大地影响着航天继电器的工作寿命与可靠性。

Arc will happen when the relay contacts break or close , which can make the contact working condition bad and influence the working life and reliability of aerospace relay badly .

南轻北重的工业结构导致了经济发展的南优北劣：苏南等地轻工业为社会积累了资本，带动了其他经济部门的发展，有利于接受发达地区的经济辐射，推动了社会进步。

The capital accumulated with the development of light industry pushed the development of other economic sectors , which was helpful to the reception of economic radiation from developed areas and to the social progress ;

但淀粉类物质是微生物增长繁殖的良好营养源，此类物质极易被细菌类微生物侵染而导致性能劣化，严重地限制了其在诸多领域中的应用。

But starch is an excellent nutrient source which is conductive to bacteria breeding . It is apt to be infected by microorganisms such as bacteria to lead to its properties being deteriorated . And this limits its application in many areas .