With a magnifying glass, the rays of the sun can be focused to set grass or paper on fire.
用一面放大镜可以凝聚太阳光，而点燃和纸张。
I noticed a piece of paper lying on the grass ahead.
我看见前面的草地上有一张纸。
With field experiment and based on corresponding meteorological data, this paper studied the quality performance and climatic indexes of warm and cool season grass species in Beijing.
利用田间试验和平行观测气象资料，研究了暖季型和冷季型草种在北京地区的质量表现和气候指标。
From the view of hydrodynamics, this paper studied the acting mechanism of tree, grass and forest litter on slope runoff velocity and kinetic energy.
从坡面水动力学角度研究了坡面乔木林、草本植物和林地枯落物对坡面径流流速和动能的影响机理。
The techniques of depositing zinc thin film on grass substrate by vacuum evaporation and direct-current sputtering were investigated with XRD, SEM and AFM in this paper.
本论文对真空蒸发法和直流溅射法沉积锌膜的工艺进行了研究，结合XRD、SEM、AFM等分析手段，以探索这两种方法在制备锌膜方面的一般规律。
The paper also proposed the reasonable irrigation depth, irrigation saturation point and irrigation compensation point, which might provide theoretic basis to make out irrigation scheme of turf grass.
并确定出灌溉深度、灌溉饱和点和灌溉补偿点，为制定合理的草坪灌溉制度提供依据。
Hydrolysis of grass carp meat using two enzymes was studied in this paper.
通过双酶法水解将草鱼肉制备成水解氨基酸液。
This paper summarizes problems which generally exist in Grass-roots Library resource construction in china, and points out the misunderstanding of the construction idea.
文章对我国基层图书馆在资源建设方面普遍存在的问题进行了归纳总结，指出了我国基层图书馆在资源建设理念方面存在的误区。
Take planting Bermudagrass as an example, this article introduces a method of using waste paper to produce grass breeding special paper. The results indicate that this method is effective.
本文以培育狗牙根草为例，描述了利用废纸制成育草特种纸的初步研究。研究结果表明该法是有效的。
The bacteriostatic effect of both free and combined bile salts from grass carp bile was studied in this paper.
本文研究了草鱼结合胆汁酸盐及游离胆汁酸盐的抑菌作用。
The word paper derives from papyrus, the name of a riverside plant similar to grass, from which an ancient form of paper was used in Egypt and Mesopotamia.
paper这个字源自于papyrus(纸草)，这是一种在古埃及和美索不达米亚被用来制作纸张而形状像草的河边植物。
Expatiating on the existing problems in development the information of grass-roots environmental protection archives, the paper puts forward the countermeasures and Suggestions for it.
阐述了基层环保档案信息开发工作中存在的问题，提出了环保档案信息开发工作的对策与建议。
The productivity of second-year-old reed canary grass under various distribution of mineral oil contents was reported in this paper.
本文研究了第二年生草在不同矿物油投配量下的生产性能。
This paper presents the experimental research guarding against erosion by rainfall with planting grass on railway slope.
本文论述了铁路路基边坡植被防止雨水冲刷的试验研究。
This paper studied the fertilization of the hybrid between autotetraploid sorghum and Johnson grass and the genetic characters of the hybrid generation.
本试验研究了高粱同源四倍体与约翰逊草远缘杂交的结实性及其后代表现。
This paper summarized the effects of tree-grass complex system on trees and soil and its ecological and economic benefits.
概述了林草复合生态系统对林木和土壤的影响及林草复合的生态效益和经济效益。
This paper summarized domestic research progress on reproduction ways of Vetiver grass, with wider requirement and unable to meet the demand.
针对香根草的需求量较大和种苗供不应求的现状，综述了国内香根草繁殖方法的研究进展。
In this paper, the authors analyze and discuss the theme of "Leaves of Grass" in four aspects.
本文从四个方面分析讨论了《草叶集》的主题。
This paper described the process technology of double-face leather with effect of frost on grass, which was popular at home recently.
本文详细介绍了近年国内较为流行的草上霜毛革的生产工艺。
The paper studied the soil water status in Pailugou forest and grass complex watershed in Qilian Mountains.
对祁连山排露沟林草复合流域土壤水分状况进行了系统研究。
Effect of wine lees pickling technologies, sterilization conditions and microbe on quality of drunk fish was studied in this paper with grass carp.
以草鱼为原料制作酒糟鱼，研究糟制工艺、杀菌条件和微生物对酒糟鱼品质的影响。
Through the investigation of pavior system with grass-planting bricks of a parking garage, damage causes are analyzed and an improving construction method is provided in this paper for reference.
通过对已有植草砖停车场铺面系统的调查，对损坏原因进行分析，提出了改进的施工方法，可供类似工程参考。
According to the experiments conducted in natural pastures in Maowusu Sandland, the factors that influence the leaf water potential of natural grass are studied in this paper.
以毛乌素沙地天然牧草为研究对象，采用田间试验对天然牧草叶水势的影响因素进行了研究。
On 13 September, while bivouacked in a field that had the day before been occupied by Confederates, a Union private found in the grass three cigars wrapped in a piece of paper.
九月十三日，北军在南军早一天驻扎的原野上露营，一名士兵在草丛中捡到三支用纸包着的雪茄。
The paper analyses competition of forest and water and grass, and put forward the way to combine water project with forest project, and combine forest project with grass project.
摘 要：本文对“林水之争”、“林草之争”进行了深入的剖析，并提出了实行水利工程和生物工程相结合、乔灌草相结合的办法。
Paper-cut artist Wu City, also in conjunction with local resources to develop the new varieties of grass cloth paper cutting, paper cutting has become more conspicuous local features.
吴城剪纸艺人又结合本地资源，开发出夏布剪纸这一新品种，更彰显剪纸地方特色。
Take planting Bermudagrass as an example, this article introduces a method of using waste paper to produce grass breeding special paper.
本文以培育狗牙根草为例，描述了利用废纸制成育草特种纸的初步研究。
The main types of grassland vegetation on steppe, scrub-grass land and meadow are stated in this paper.
在低中山以草原和灌草丛为主，在山体上部以草甸为主。
The main types of grassland vegetation on steppe, scrub-grass land and meadow are stated in this paper.
在低中山以草原和灌草丛为主，在山体上部以草甸为主。
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