查询词典 operation of symmetric difference

Hydraulic pressure part consists of cylinder body around having some axial direction cylinders, pole piston, matching stream canister and timing equipment. Pyramidal difference decelerate part is composed of twin inner bevel wheel with difference of 2-toothes, twin outer bevel wheel without tooth difference and skew shaft etc.

液压驱动部分由周围均布有若干轴向缸的缸体、柱塞、配流筒及调速装置等组成，减速部分由二齿差内锥齿轮副和零齿差外锥齿轮周向限制副及歪轴等组成。

In the functional mechanism, we should use the technique "use the DNA Microarray to build the gene expression difference chart" to lead to the combination of Traditional Chinese Pharmacy and gene expression difference chart to study. Meanwhile,we can establish a totally new method of screening modern Traditional Chinese Pharmacy based on the gene expression difference chart, it can really make the modernization and internationalization of Traditional Chinese Pharmacy.

在中药作用机制方面，应采用&利用基因芯片建立基因表达差异谱&技术，将中药与基因表达差异谱有机地结合起来进行研究，同时以基因表达差异谱为基础建立一种全新的现代中药筛选方法，使中药真正实现现代化、国际化。

Methods In the conventional internal quality control in the control specimens after the test day, a specimen which total protein result was 60-80 gL^(-1), and albumin result was 30-50 gL^(-1) was selected from the first ten specimens every day, the specimen's TP and ALB results were retested after 3 hours. The difference between the two test results and the difference of the standard deviation were calculated every day for 40 days. Extreme difference quality control chart was established by control limits of range which was calculated by the standard deviation.

在常规室内质控在控后开始检测标本，每天从前10份标本中选出1份总蛋白60~80 gL^(-1)、白蛋白30~50 gL^(-1)的标本，3 h后再重测1次该标本的TP、ALB，每天计算2次测定结果的差值和差值的标准差，连续40个工作日，利用标准差计算双份测定极差的控制限，建立极差型质控图。

Secondly, more and more researchers have found that the change of ST segment in Electrocardiogram has close relations to the majority of the cardiovascular disease, so electrocardiogram signal pretreatment methods, including 4 point averaging filter, slide averaging filter, first difference, second difference, have been designed; With this foundation, detection method based on the second difference variable threshold to detect R wave in electrocardiogram has been designed, and heart rate has been calculated accurately.

其次，由于越来越多的研究者发现心电图中的 ST 段的变化与大多数心血管疾病都有着紧密的联系，因此，本课题设计了心电信号预处理方法，包括 4 点平均滤波、滑动平均滤波、一阶差分、二阶差分等；在此基础上，设计了基于二阶差分可变阀值检测方法来检测心电波形中的 R 波，计算出了较为准确的心率值。

The result indicated that the service quality of engine overhaul shop v.s customers' satisfaction had significant difference;the interaction of service quality and organization performance of engine overhaul shop v.s customers' satisfaction had significant difference;and different service point distance、organization scale and customers' military rank v.s service quality 、organization performance and customers' satisfaction all had no significant difference.

研究结果发现：发动机修护工厂的服务品质对顾客满意度有显著差异；服务品质与组织效能两因素的交互作用对顾客满意度均有显著差异；及不同的服务点距离、组织规模与顾客阶级服务品质、组织效能与顾客满意度等均无显著差异，在所有24项假说中检定不成立者计3项、成立与部分成立者亦计21项；另由各变数之积差相关分析得知，服务品质构面之有形性因素与各因素间为微弱或无相关，顾客后续行为意图与其他各因素大都为低度相关，其余因素间的相关性大体上均为中、高度相关。

There was significant difference in T lymphocyte proliferation between the TF treatment groups and the control groups (p＜0.01), and between TF from black-bone silky fowl and other treatment groups (p＜0.01). Significant difference was detected between TF from black-bone silky fowl and homogenous Cherry Valley duck (p＜0.01). The effect on T lymphocyte proliferation in vivo was markedly enhanced when taking oral TF in 24 h, and significant difference remained between the treatment groups and the control groups in 240 h.

实验结果进行t检验分析，各实验组TF与对照组数据进行比较极显著差异，p＜0.01；乌骨鸡来源TF与其他实验组数据进行比较极显著差异，p＜0.01；T细胞体内转化增殖实验结果表明TF口服作用24 h内极显著提高T细胞转化增殖效果，而且240 h内T细胞的增殖效果与对照组相比仍然保持极显著差异。

The net photosynthetic rate and maximum net photosynthetic rate of slash pine's half-sib around 1 year is studied utilities of LI-6400 portable photosynthetic system so as to study on the seasonal variation and difference on net photosynthetic rate. The result showed that the seasonal variation of net photosynthetic rate and maximum net photosynthetic rate of slash pine's half-sib is double range curve. There is no notable difference on net photosynthetic rate among needles with same half-sib. There is notable difference on net photosynthetic rate with same needles among half-sib. The net photosynthetic rate of 1 year needle of half-sib 464 and 609 and 1077 is over than others.

为研究湿地松半同胞家系间净光合速率的差异及其季节变异规律，应用LI－6400便携式光合测定系统，对湿地松优良半同胞家系一年中各月净光合速率、最大净光合速率进行了研究，结果表明一年中湿地松各半同胞家系1龄针叶、2龄针叶净光合速率、最大净光合速率的季节变异规律呈'双峰'型，家系内不同单株同龄针叶的净光合速率值没有显著差异，而家系间相同年龄针叶的净光合速率值则存在着显著差异。

Applied with test of potted plant and measurement absorbency for study physiological response of activity of cell defense enzymes and lipid peroxidation of slash pine's half-sib under water stress. There are 7 families comparison with general slash pine. The contents of superoxide dismutase, catalase, antioxidant, malondialdehyde and the rate of superoxide anion(-O2) generating are mensurated under normal water condition while soil water content is 70% and light water stress while soil water content is 55% to 60% and medium water stress while soil water content is 35% to 40% and heavy water stress while soil water content is 20% to 25%. The test result indicate that either water grads or families of contents of SOD,CAT,AsA,MDA are mighty notable difference. The rate of -O2 generating is notable difference within families. The rate of -O2 generating is mighty notable difference within water grades.

为研究湿地松优良半同胞家系保护酶及脂质过氧化作用对水分逆境的生理响应，采用盆栽试验和吸光度测定结合的方法，以普通湿地松种子为对照，测定了七个湿地松半同胞家系在正常水分状态（土壤相对含水量为70%）、弱度水分胁迫（土壤相对含水量为55%~60%）、中度水分胁迫（土壤相对含水量为35%~40%）和强度水分胁迫（土壤相对含水量为20%~25%）条件下的SOD、CAT、AsA、MDA的含量和-O2产生速率，研究结果表明：无论是不同水分梯度还是不同家系水平，SOD、CAT、AsA活性和MDA含量的差异均达极显著水平，不同家系水平间-O2产生速率有显著差异，不同水分梯度间-O2产生速率差异达极显著水平。

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拥有多项自主知识产权，其中便携式远程电脑搜索信号照明灯是世界上首次将成象抛射技术用在探照灯上，它使照明距离提高2—3倍，使主光轴光束角提高5—6倍，省电节能，照度均匀，色差、慧差、位色差极小，可代表当代同类产品之最新技术。

Difference in the rotor form, in particular, difference in the number of nogs and difference in helix angle between long and short nogs, have a great effect on the process of mixing to the synchronous rotor internal mixer.

在同步转子密炼机中，转子构型的不同，特别是棱数的不同和长、短棱螺旋角的不同对混炼过程的影响则是很大的。

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。