查询词典 fir

By using canonic signed digit to represent each coefficient of FIR filter and local search method to optimize the coefficients, we implement a multiplier-less FIR filter.

利用卫星数字电视广播系统中接收信号的频谱特性，提出一种基于离散傅立叶变换的载波恢复算法。

Biological circulation rate of five elements in Chinese fir layer is 0.412,but they are 0.505and 0.556 in shrub and herb layers,and they show the law of herb layer＞shrub layer＞Chinese firlayer,this shows that understory plants have significant conservation function of soil fertility innutrient circulation,but Chinese fir tree species has larger consumption of soil fertility.

杉木层的5种元素总生物循环速率为0.412，而灌木层和草本层的5种元素总生物循环速率分别为0.505和0.556，表现出草本层〉灌木层〉杉木层的规律，说明林下植物在养分循环中具有明显的地力维护作用，而杉木对地力消耗较大。

In south-west Oregon and north-West California this species growing together with Shasta red fir and California red fir.

在奥勒冈西南部与加利福尼亚北部本树种时常与Shasta red fir与California red fir混杂林状生产。

The third category is planted second-generation Chinese fir, the soil phenol content is highest. It shows that along the ecosystem conversion, or as the increase of Chinese fir planted generation, the phenols in soil are accumulated to a certain extent.(6) Detecting the soil of four systems and found that there exist p-hydroxybenzoic acid, vanillic acid and ferulaic acid, but not exist cinnamic acid.

根据主成分分析结果，大致可以把4种系统分成3类，第一类为天然更新常绿阔(来源：ABC论文8f网www.abclunwen.com)叶林，其土壤酚含量低；第二类为老龄杉木林和二代杉木萌芽天然更新林，其土壤酚含量较高；第三类为二代杉木人工林，其土壤酚含量最高。

The idea of interpolated filtering is realized with a cascade of an FIR and an interpolated FIR filter, and with a tap-weight overlapping method.

内插滤波是由一个有限脉冲响应滤波器、一个内插有限脉冲响应滤波与一种将述两个滤波器系数重叠的方法串联实作而成。

When we had fir'd our second Volley of our Fusees, we thought they stopp'd a little, and hop'd they would have gone off; but it was but a Moment; for others came forward again; so we fir'd two Volleys of our Pistols, and I believe in these four Firings, we had kill'd seventeen or eighteen of them, and lam'd twice as many; yet they came on again.

这样，我们一共放了四排枪。我相信，至少打死了十七、八只狼，打伤的大约多一倍。可是，它们还是蜂拥而来。我不愿匆匆放完最后一排枪，就叫来了自己的仆人。我没有叫星期五，而是叫了我新雇的那个水手。星期五有更重要的任务要完成。

The main series of products have black walnut, rosewood, rosewood, golden grapefruit, cherry, Lufthansa Billy, pearl wood, Betula,, Douglas fir, red walnut, teak, white, red oak, maple, Hung Ying, Liu Eucalyptus, oak, table, chicken wing wood, Finland wood, Yunnan, fir, hemlock, wood preservative and other rare and valuable species of domestic and foreign professional companies, has many years of timber production and sales experience.

主要系列产品有黑胡桃、花梨木、紫檀木、金丝柚、樱桃木、莎比利、珍珠木、西南桦、香樟木、花旗松、红胡桃、柚木、白木、红橡、枫木、红影、柳桉、橡木、表哥利、鸡翅木、芬兰木、云南杉、铁杉、防腐木等各种国内外珍稀名贵树种的专业公司，有多年的木材生产销售经验。

Bacterial needle blight of Chinese Fir was one of the main diseases in Chinese fir forests,which was caused by Pseudomonas syringae pv.

杉木细菌性叶枯病是杉木的主要病害之一，由丁香假单胞杆菌杉木致病变种Pseudomonas syringae pv。

In this paper, the North subtropical cork oak forests, fir, pine torch, Mao bamboo and Chinese fir forest soil in the budding B, Mo, Cu, Zn, Fe, Mn and effective content distribution in soil profiles in the law affecting their effective of soil factors and the different stands on soil micro-nutrient contents.

将以下中文摘要翻译成英文摘要本文研究了北亚热带栓皮栎林、杉木林、火炬松林、毛竹林和杉木萌芽林土壤中B、Mo、Cu、Zn、Fe、Mn的有效含量、在土壤剖面中的分布规律、影响其有效性的土壤因子以及不同林分对土壤微量养分含量的影响。

Self-thinning mechanism and climate reactions of growth of Chinese fir plantation are theoretical basic forsustainable management and development of Chinese fir plantation.

杉木人工林自然稀疏机制与生长的气候响应是杉木人工林持续经营的理论基础，对于指导林业生产具有重要意义。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。