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不同标准

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Although the two International Standards have different scopes, they have

虽然这两个国际标准有不同的范围,但他们有相同的结构以便

Bonding card board (English name: PLXwood) logs are planed into a 1.6mm-2.0mm between the single board, high temperature drying moisture, up to a certain standard, into the system board workshop preparation chemical raw materials, manufactured according to customer requirements nine, fifteen, eighteen different specifications, such as multi-layer plywood, and then after a high temperature, high pressure, hot pressing machine to suppress made with molded plywood processed into the Pallet is laminated card board.

胶合卡板(英文名字: PLXwood )是将原木刨成 1.6mm-2.0mm 之间的单板,经高温烘干水份,达到一定标准后,进入制板车间配制化工原料,根据客户要求制成九、十五、十八等不同规格的多层胶合板,再经过高温、高压、热压机压制而成,用成型的胶合板加工成的栈板就是胶合卡板。

My company has used formaldehyde-free MDI to create the highest standards of man-made sheet of large complete sets of equipment, and has a number of international patents, including the main products of different thickness of the straw-board and particle board of wood particle board and various board melamine paste Panel.

我公司拥有采用无甲醛的MDI 来制造最高标准的人造板材大型成套设备,并拥有多项国际专利,主要产品包括不同厚度的秸秆刨花板素板和木材刨花板素板以及各种三聚氰胺贴面板。

The devices in this paper are separate to standard and two kinds of surface treatment.

论文中的元件分为标准和两种不同表面处理的元件。

The correlation coefficient is 0.9999,and the recovery rate is about 90%~97%.Se of saffrons from 4 regions was determined by standard curve method.

采用标准曲线法对4种不同产地的西红花干燥柱头中硒进行了测定。

Eyes may be brown or blue in color; one of each or parti-colored are acceptable.

眼睛可以是棕色或蓝色;两眼颜色不同如颜色符合标准也可以接受。

The Ⅰ-Ⅴ characteristics of the long-wavelength infrared HgCdTe photovoltaic devices fabricated by different process including standard process, reflowing process and post-implantation annealing process were measured and investigated by model fitting analysis.

对三种不同工艺的HgCdTe长波器件(标准工艺、回熔处理、离子注入后退火)的Ⅰ-Ⅴ性能分别进行测试,并通过理论计算与实验数据拟合提取上述器件参数,分析暗电流机制及导致暗电流变化的原因。

The paper investigates both block-type pilot linear minimum mean square error algorithm and IEEE802.16 OFDM channel estimation analysis. Simulation results confirm the block-type pilot structure is more suitable for IEEE802.16 system. An optimal pilot setting algorithm, based on space frequency domain, is explored and the pilot chart is presented. The proposed algorithm finds its application in MIMO-OFDM. Simulation results show the algorithm presents a good approximation to the perfect channel state information curve, with about 2dB difference in SNR. The simulation results also demonstrate the algorithm achieves fairly high stability in the environment of fast fading, performance of the proposed algorithm is better that of pilot training channel estimation.3. Taking into account the characteristics of IEEE802.16 OFDM system, OFDM system simulation platform is constructed in Matlab, exploiting simulink as a tool. OFDM modulation and demodulation simulation system are configured on LabVIEW platform. All the system signal processing is simulated, including defining system parameters, designing modulation model, and verifying all the proposed algorithms under different environments, such as white Gaussian noise, multi-path fading, with or without guard interval etc. Bit error performance is evaluated. The research provides valid theoretical basis for practical OFDM system performance evaluation.4. Taking advantage of software radio, the paper designs a hardware platform with both 256-IFFT/FFT and 512-IFFT/FFT OFDM schemes co-existing in one platform. You can predetermine one from the two schemes to carry out almost the same model function with different system performance and parameter setting.5. Referring to IEEE802.16 standard, the paper proposes a design method for generating signals and frames suitable for laboratory investigations implemented in laboratory environment.6. Based on 6701evm digital evaluation card, combined with analogy front-end, the paper designs a DSP software model to deal with baseband signal processing. An overall OFDM scheme, with modulation and demodulation function, is accomplished.

讨论分析了MIMO-OFDM中一种基于空频域的最优导频设置算法,给出了导频图案,通过仿真实验表明,该算法与理想的信道状态信息曲线非常接近,信噪比差距约在2dB左右,并且在快衰落条件下具有较好的稳定性,其性能要优于基于前导训练的信道估计方法。3、根据IEEE802.16OFDM系统特点,论文分别在Matlab中应用Simulink工具构建OFDM系统仿真平台、在LabVIEW平台上实现了OFDM调制解调仿真系统,模拟了整个系统的信号流程,进行了OFDM仿真系统参数的选择和调制模块的仿真设计、论证各算法性能,并根据各种不同的条件:例如高斯噪声、多径衰落、有无保护间隔等,对系统的误码特性进行了评估,为正确评价实际OFDM系统的性能提供了有效的理论依据。4、论文以软件无线电思想作为指导,提出了以256点IFFT/FFT为核心和以512点IFFT/FFT为核心的两种OFDM算法模式并存于同一个硬件平台、且可预选的方案,它们在参数选取和性能指标上有所差异,均实现了相似的模块和功能。5、论文参考IEEE 802.16无线网络标准的参数设置,针对本设计系统的应用环境和系统硬件的性能速率,提出了一种应用于实验室环境的信号结构、帧格式等参数设计。6、论文基于TI公司的6701evm数字评估板卡,结合模拟前端搭建数字中频平台,设计了基带处理的DSP软件模块并进行系统调试,基本实现了一套完整的OFDM调制解调方案。

Results Tenax-TA sampling tube was heated for 30 seconds and pyrolyzed for 90 se...

结果在Tenax-TA采样管在辅助器上的加热时间30s,解析时间大于90s的情况下,7种不同化合物的回收率均在90%以上,相对标准偏差均小于10%。

Results Tenax-TA sampling tube was heated for 30 seconds and pyrolyzed for 90 seconds. The recovery rate of seven kinds of compounds was more than 90%. Relative standard deviation was less than 10%.

结果在Tenax-TA采样管在辅助器上的加热时间30s,解析时间大于90s的情况下,7种不同化合物的回收率均在90%以上,相对标准偏差均小于10%。

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推荐网络例句

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为:以确有疗效的中药复方为研究对象,以现代科学技术和传统中医药理论为技术支持,以该复方所治病证的药效响应为评价标准,以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。

I don't… don't know. He's unconscious.

我不……我不知道他休克了。