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Photographer Edward Steichen constantly experimented new techniques and materials in his quest to have photography accepted as a creative art.答案:A.à experiment with new

参考译文：摄影师Edward Steichen不断地试验各种新技术和新材料，以期使摄影作为一门创造性的艺术为人们所接受。

All the new products are stringently tested and repeatedly experimented with to guarantee product quality.

我公司新产品全部经过严格的性能测试和实地反复试验。

He also experimented with shifting style—the narrative voice of Portrait changes stylistically as Stephen matures.

他还尝试改变风格的叙事声音人像斯蒂芬改变风格的成熟。

The join simulation model was tested with the experimented data of winter wheat - summer maize double cropping system in xinji.

氮素的吸收和分配模型考虑了水、氮供应、作物需氮量和各器官含氮量的影响。

However, because of the number of tuned stages in a superheterodyne, a simplermethod was desired. In 1932, a team of British scientists experimented with amethod to surpass the superheterodyne.

但是， 由于被定调的阶段的数量在超外差收音机，一个更加简单的方法渴望了。1932 年，英国的科学家的队试验以方法超过超外差收音机。

He experimented for years in his own laboratory, and while he was still a young man , he invented wireless telegraphy.

他在他自己的实验室里成年累月的作实验，之后，当他还是个年轻人的时候，他发明了无线电报。

He experimented for years in his own laboratory, while he was still a young man, he invented wireless telegraphy.

他在他自己的实验室里成年累月的作实验，之后，当他还是个年轻人的时候，他发明了无线电报。

The paper focuses on the tetraploidy black locust on Loess plaeatu of West Shanxi province, applys steady state promoter method and image processing technology to study the days transpiration water consumption in different weather ,different seasons and different site conditions,has primary analysis on the impact of environment on the transpiration and carries on the calculation to the tetraploidy locust tree by the single leaf water consumption to the single tree water consumption in CaiJiachuan watershed; Uses fast weighing method to measure and analyze the transpiration water consumption of five different herbs under the tetraploidy black locust forest (Capillary Wormwood,Vanilla,Agropyron Sristatum , Common Sowthistle and Medicago Sativa) in short time, in the same and different growcrop,and calculates the average transpiration water consumption per square metres ;the soil colome weighing method was used for determining diumal variation quantity of soil moisture evaporation, analyzing the dynamic variation and caculating the total quantity of soil evaporation water consumption from May to August ; then 5 kind of suppositions about the types of surface vegetation coverage are proposed in experimented site and the total evapotranspiration water consumption are calculated under 5 suppoitions ,aim at providing preliminary theoretic basis for ascertaining the transpiration water consumption of tetraploidy black locust forest,controling standing forest density and optimizing the forest grass deploy on loess plaeatu of west Shanxi province .

本文以两种不同立地条件下的四倍体刺槐林为研究对象，采用了气孔计法对蔡家川流域生长季内不同天气状况下(典型晴天、阴天和半阴天)四倍体刺槐日蒸腾耗水规律、不同季节(生长季初期、中期和末期)的蒸腾耗水规律、两种不同立地条件下四倍体刺槐蒸腾耗水比较以及影响四倍体刺槐蒸腾耗水的环境因子进行初步研究分析，并对四倍体刺槐由单叶耗水量向单株耗水量进行推算；采用经典快速连续称重法对四倍体刺槐林地生长的主要5种草本植物(白蒿、香青兰、冰草、苦苣和苜蓿)短时段内蒸腾耗水规律、不同生长季内蒸腾耗水规律、同一生长季不同种类草本植物蒸腾耗水量进行了比较分析，并且采用面积与重量比的方法推算出了单位面积四倍体刺槐林地几种主要草本植物平均蒸腾耗水量：采用土柱称重法测定了5月份～8月份土壤水分蒸发昼夜变化量、对试验期内土壤蒸发量动态变化作了分析、推算出了试验地5月份～8月份土壤蒸发耗水总量；对试验地地表植被覆盖类型提出了5种假设，推算出5种假设的情景下蒸散耗水总量，旨在为晋西黄土区四倍体刺槐林蒸腾耗水量的确定、林分密度调控以及林草优化配置等提供初步的理论依据。

She also experimented with different therapies that encouraged her to unburden, if not necessarily in public.

她有些象一位为伤害人追讨索赔的律师，带着一心的好意如果不算通过公众场合，她还尝试用不同鼓励她放下负担的疗法。

She experimented with different kinds of underpainting, scraped and rubbed, made bright rosy red spots; doing whatever had to be done to capture the subconscious—her own and that of her models.

为此，她进行了多种试验——她使用了不同类型的底层色，擦痕与磨痕，人为制造出一些光亮的玫瑰红斑点；总之，为了能捕捉人的潜意识，她不惜任何代价——她自己的画像与她的模特的画像。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。