查询词典 forward difference

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。

We haveour own intelligent property rights. Among them our spotlight is one of our typical products. It's the first time that the image illumination technology is used on the spotlight in the world. The reachable distance is raised 2-3 times, its beam of light angle is raised 5-6 times, and much power and energyis saved and illumination well-distributed. There is little color difference, comet difference and color difference for a point. Our spotlight can represent the latest technology of the same products in contemporary age and is granted national invention patent and national new practical patent.

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。

Results: by the end of 4 weeks, there was significant difference in efficacy between A、C groups and B groups（P＜0.05）,by the end of 6 weeks, there was significant difference in efficacy between c group and A、B groups ,there was no significant difference in efficacy between A and B group(P＞0.05),and the doses of imipramine and the TESS scores of C group were significantly lower than that of B group.

结果：三组病人在治疗后4周时，A、C两组减分与B组减分差异有显著性（P＜0.05）；治疗6周时A、B两组差异无显著性（P＞0.05），C组效果显著优于A、B两组（P＜0.01），且C组丙咪嗪剂量和TESS评分明显低于B组。

There was no difference of decrease rate of HAMD b et ween two groups in statistics (P＞0.05). There was a significant difference o f HAMD total score between before treating and after treating in two groups (P ＜0.05). Significant improvement rate was 80% in moclobemide group and 93.3 % in imipramine group. There was no difference of improvement rate between two grou p s. Decrease rate of HAMD was 75.6% and improvement rate was 90% in moclobemide open group. Side effect were similar among above three groups.

结果：吗氯贝胺组、丙咪嗪组、吗氯贝胺开放组HAMD减分率分别为69 。3%，83.6%，75.6%，前二者经统计学分析组间无差异性（P＞0.05）；各组内治疗前后HAMD得分均有差异性（P＜0.05.3组显效率分别为80%，93.3%，90%，前二者经统计学分析组间无差异性（P＞0.05）。3组出现的不良反应基本相似。

In different conditions, the difference of whisker rotation、cavities evolution and whisker-pulling-out show the difference of grains boundary and interface sliding as well as the difference of capacity of dislocation to coordinate the two sort of slidings.

晶须转动、孔洞演化、晶须拔出等在不同条件下的差异实际上是晶界及界面滑动的差异以及位错对这两种滑动协调能力差异的反映。

In Chapter 3, the prior estimates about the 3-D difference solution and its difference quotients on time space and geometry space are made by means of discrete functional analysis, so that the stability and the convergence of the 3-D difference solution are obtained.

在第三章中，运用离散泛函分析的手段，对三维中子输运方程的差分解及其时间、空间差商进行了先验估计，从而得到了差分解的稳定性和收敛性，也为三维问题的应用研究打下了初步的理论基础。

objective to study the relationships between smoking,atherosclerosis and c-reactive protein.methods to detect the serum crp and serum lipid while in quiring the smoking status for278patients with cardio-vascular disease.then analyed the crp level among different groups.results crp level had significant difference between smoking and non-smoking groups,atherosclerosis and non-atherosclerosis groups;but it seems no relationˉship with high lipid.in differentsmoking amount groups,crp level had significant difference in atherosclerosis paˉtients,but no significant difference in non-atherosclerosis patients.conclusion smoking,high lipid and crp were all very good prognostic mark in atherogenesis.crp was a significant prognostic mark in atherosclerosis influenced by smoking.

目的 初步探讨c反应蛋白crp与吸烟和动脉粥样硬化三者之间的关系。方法通过对临床278例动脉粥样硬化和非动脉粥样硬化病人血清crp和血脂的检测及吸烟情况的调查，应用spss统计软件进行差异分析，比较不同组间crp水平。结果 crp在吸烟与不吸烟组、动脉粥样硬化和非动脉粥样硬化组差异有显著性。而在血脂正常组和高血脂组差异无显著性。在不同吸烟量组间：非动脉粥样硬化组间crp水平差异无显著性，而动脉粥样硬化组差异有极显著性。结论吸烟、血脂升高、crp升高是动脉粥样硬化较好的预示指标；在吸烟人群中crp升高者更易患动脉粥样硬化。

The results were as follows. In the insert mutation genotypes, there was significant difference between body weights of 2 weeks aged BB and AB genotype (P.05), while there was no significant difference between AA and other genotypes. In the mutation genotypes, there was no significant difference in body weight. Insert mutation loci had no significant effect on fossil bone length and shank length of 0-12 weeks aged chickens, only mutation loci had a significant effect on fossil bone length and shank length of 6 weeks aged chickens.

分析多态位点与0-12周龄鸡生长发育性状的关联性，结果表明：插入突变基因型中，2周龄鸡体重BB型与AB型差异显著(P.05)，但AA型与AB型和BB型差异均不显著，而突变各基因型间没有显著差异；插入突变位点对0-12周龄鸡的龙骨长、胫骨长均没有显著影响，而突变位点仅在鸡6周龄时表现出与龙骨长、胫骨长间的差异显著性。

The circulation, consumption and reproduction of the trilogy have not only testified to its historical significance and literariness, but also invested it with new meanings.

该三部曲的流通、消费与再生产不仅验证了其历史意义及文学性，而切还赋予它以新的意义。

If he thought that he could buy me off, he would be wrong.

如果他认为他可以收买我，那他就大错特错了。