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Basic principles of energy centrobaric correction,ratio correction and phase difference correction were expounded.

结果表明:3种算法都可以使信号的频率更接近于真实值,其中能量重心法校正精度相对较低,比值法和相位差法精度较高,尤其是比值校正算法处理速度更快,校正的精度基本不受信噪比的影响。

According to the study results, the average concentration of total fungal spores was 1659 spores/m3, and the predominant fungal taxa included Basidiospores, Ascospores, Cladosporium, and Aspergillus/Penicillium, with average concentrations higher than 100 spores/m3 and present in more than 95 % of the samples.

根据研究结果发现,大台北地区的总真菌孢子平均浓度为1659 spores/m3,其中优势真菌为Basidiospores、Ascospores、Cladosporium及Aspergillus/Penicillium,平均浓度皆高於100 spores/m3,出现频率大於95%。

The geographical environment elements to form weather disasters in yunnan include low latitude plateau,approaching tropical oceans,complicated topographical features,cliffy mountain,few vegetation,concentrated rainfall,complicated geological structure and strong fault actions.

由于云南复杂的低纬高原地理环境,多样的局地气候背景,特殊的地貌植被状况以及同时受东亚、南亚两支季风的共同作用,形成了鲜明的区域气象灾害特征[1,2]。1 云南气象灾害的特征1.1 种类多、频率高、重叠交错云南自然地理环境特殊,7种气候带交错分布,气候资源丰富,立体气候明显,地域差异大。

As a case in this study, there is a non–representative PK duality model which adopts the least squares method or even the Monte Carlo method to estimate their parameters. Using yield frequency analysis to recommend fertilization, only a group of P and K coenobium, the sixth treatment, meets the conditions of goal yield.

对Monte Carlo法也不能得到典型式的晚稻磷钾非典型肥效模型,用产量频率分析法计算推荐施肥量,表明只有一组磷钾肥用量组合入选,导致磷肥推荐用量偏高而钾肥偏低。

Methods The mitral (M1) and tricuspid (T1) valves componented of the first heart sound (S1), the aortic (A2) and pulmonary (P2) valves componented of the second heart sound (S2) were detected by short-time Fourier transformation spectrogram and Shannon engergy, in the high frequency resolution circumstance.

在频率分辨率较高的情况下,利用短时傅立叶变换声谱图和香农能量,提取出第1心音(S1)的主要成分二尖瓣关闭音(M1)、三尖瓣关闭音(T1)及第2心音(S2)的主要成分主动脉瓣关闭音(A2)、肺动脉瓣关闭音(P2)。

A novel combined phase conjugator consisting of a fused silica rod and silica fiber is used in the high repetition laser system to improve the light quality.

提出了一种新型的由熔石英棒和石英光纤组成的复合型相位共轭镜,其可运用于高重复频率激光输入系统中以改善光束质量。

Eighthly, full noun phrases are the most common subjects occurring with the copular verb be utilized by Chinese learners. Pronouns are also highly used as subject with the copular verb be in CLEC. Ninthly.

第八,名词是最常被中国学习者用作主语与系动词BE搭配的,代词用作主语与系动词BE搭配的频率也很高。

Eve carries the frequency of the goddess - creatrix on Earth - the high priestess - the source of creation.

夏娃运载着女神的频率——地球的女创造者——至高的女祭司——创造的泉源。

The cylindricity could be calculated by least squares method and wavelet error separation method that the measurement error could be decomposed by Harmonic analysis algorithm based on wavelet theory.

针对激光 CCD 灵敏度高,干扰噪声容易混入测量数据中的问题,提出了一种基于小波分析的误差分离方法,即运用谐波分析的思想方法和小波理论中多频率分析算法进行误差分离,误差分离后的数据用最小二乘法处理求出圆柱度。

Changes in Xc for different pulp cellulose fibers are not the same during the ultrasonic treatment. Crystallization and decrystallization may both exist during the treatment at the conditions of lower-intensity ultrasonic wave. After treatment with ultrasonic Xc of MBKP cellulose is decreased and that of EBKP is increased. The changes of Xc of different pulp cellulose are more closely correlated to the fibers' morphology size and the cavitation state. The maximum Xc of 84% is obtained when BEKP cellulose is treated under the conditions of ultrasonic frequency f=23-25kHz, power=400w, and treatment time t=720s.

不同原料来源的纤维素纤维,由于形态尺寸和超分子结构的差异,经超声波处理后超分子结构表现出不同的变化规律;超声波处理过程中,结晶和消晶两种作用同时存在;超声波功率对纤维素的结晶度有较大的影响,对晶体尺寸有一定程度的影响,但结晶度Xc与超声功率没有线性关系;在频率为23-25kHz,功率为400W条件下,对桉木漂白浆纤维进行超声波处理,可获得高结晶度(84%)的纤维素样品。

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推荐网络例句

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。