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Effect of returning hill terraced fields for farming to forestry and grass were surveyed based on fixed point observation for nine years continuously. The results showed that death rate of Popular cathayana, Ulmus pumila and Hippophae rhamnoides was 100%, 92% and 12.7% respectively in terraced fields.

通过对湟源地区阴坡梯田退耕还林还草工程连续9年样区定点观测，结果表明，在梯田栽植的杨树到第9年100%死亡，榆树的成活率只有8%，沙棘的成活率为87.3%，柠条的成活率达100%，但长势不旺。

The average depth of the 15 surveyed sample plots is(8.2 cm),and the maximum,13.7 cm,the minimum,1.5 cm,with 10 times differences between these two values.The undecomposed component in the withered litters of moss is relative more,accounting for 42.8%,and semi-decomposed and decomposed one is less,accounting for 23.8% and 33.4%,respectively.

结果表明，试验流域苔藓枯落物层分布与组成存在明显差异，15个样地平均厚度8.2 cm，厚度最大达13.7 cm，最薄仅1.5 cm，相差近10倍；苔藓枯落物中未分解成分较多，占总量的42.8%；半分解和已分解成分较少，分别占23.8%和33.4%。

China was the most underweighted Asian market by mutual-fund managers surveyed in December by Merrill Lynch.

美林公司去年12月份对共同基金经理们所作的一项调查显示，中国股票是他们在投资组合中减持力度最大的亚洲股票。

As to the gentleman, he resumed his place at the window, and surveyed the crowd with a certain impatience, evidently annoyed by their remaining undispersed.

回过头来说那个绅士模样的人，他又回到了窗口的老位子上，望着外面的人群，满脸不耐烦。

As to the gentleman, he resumed his place at the window, and surveyed the crowd with a certain impatience, evidently annoyed by their remaining undispersed.

回过头来说那个绅士模样的人，他又回到了窗口的老位子上，望着外面的人群，满脸不耐烦。看见这么一大帮子人聚着不散，他好像极为气愤似的。

objective in order to investigate the variety of the airborne fungi in jingzhou area and study the relationships between airborne fungi and allergic diseases.methods we surveyed the fungi sensitizing of air in jingzhou city from feb.1th,2007 to jau.31th,2008 to quantitatively observe the daily airborne fungi and count under microscope through one year.results the fungi spores were present through all year.more than 20 taxa of airborne fungi have been collected,among which the most common fungi were uredinales,ustilaginales,alternaria,etc.fungi spores were ralated with the season and weather,the most aboudant period in sring and summer.conclusion the airborne fungi were seen one year and were mostly allergenic.many of then had seasonal distribution.

目的：调查荆州市气传真菌的种类、数量变化及飘散规律，了解优势菌群与过敏性疾病的关系，为荆州市空气真菌过敏症的防治提供参考。方法：2007年2月1日至2008年1月31日，在荆州市设曝片点，每日换片，收集全年气传真菌样品，在显微镜下统计，定量获得每天及全年的真菌数量。结果：全年均可见真菌孢子，共收集真菌种类20多种，其中最常见的有链格孢、锈菌、黑粉菌等，其数量和季节、气候有关，以春季、夏季最多，秋季和冬季依次降低。结论：气传真菌全年均有分布并具有较强的致敏性，部分真菌具有明显的季节性变化。

Methods 192 cases with vasoligation complication and 187 normal males were investigated with SCL-90 and 192 cases were surveyed by the questionaire on vasolitation complication designed by author.

方法采用SCL－90临床症状自评量表调查了192例男扎并发症患者和187例正常男性，并采用自编的男扎并发症调查表调查了男扎并发症患者。

In order to know the evolutionary relationships between false vein, ISC, and VSC in Pteridaceae, 19 grnera and 82 species in Pteridaceae were sampled in this study; silica deposition types, ordinary epidermal cell morphology and veinal epidermal cells morphology of these species were surveyed. On the other hand, a convenient method was developed for this goal. In this method, a tabletop SEM with backscattered electron detector accompanied by post-cooling method was used.

为进一步探讨凤尾蕨科假脉、脉间矽异形细胞与脉上矽异形细胞之间的关系及其於凤尾蕨科内的演化，本论文选取19属82种的凤尾蕨科植物，观察其叶表面之二氧化矽堆积型式、一般表皮细胞形态以及脉上表皮细胞形态；同时，也开发出利用侦测背向散射电子之桌上型扫描式电子显微镜配合后冷却技术(post-cooling method)之快速检测法，该方法利用背向散射电子讯号强弱与平均原子数(average atomic number， Z number)之相关性得到矽异形细胞与一般表皮细胞具有明显对比之影像。

The traits of both expression systems are compared; the related coden, vector, and promoter are discussed; the advanced protocol of operation and the strategy for optimization are surveyed in this article.

本文对酵母的一般特性、酵母表达操作、密码子、载体和表达策略、两种不同酵母表达系统的特点等进行了论述，供研究者进行酵母高效表达体系的选择与操作参考。

Mr. Bernanke has widespread support on Wall Street, too: 42 out of 43 economists surveyed by The Wall Street Journal this month said he should be reappointed, and betting markets give him strong odds of getting a second term.

贝南克也在华尔街获得了广泛的支持：本月接受《华尔街日报》调查的43位经济学家中，有42人表示，贝南克应该会连任，并断言市场会让他连任的可能性大增。

Methods Clinical data of 3 cases of bile duct injury during laparoscopic cholecystectomy were analyzed retrospectively.

回顾总结3例LC术中胆管损伤的临床资料，分析3例胆管损伤的原因及对策。

These techniques are applied to the gobang.

本文将这些技术用于五子棋中。