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递减地

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The experimental results show that for most continuous optimization problems, the strategy of concave function gains an advantage over the linear strategy, while the linear strategy outperforms strategy of convex function with the identical initial and final weights.

试验结果表明,对于多数连续优化问题,在初始权值和最终权值相同的情况下,凹函数递减策略优于线性策略,而线性策略优于凸函数策略,凹函数递减策略能够在不影响收敛精度的情况下较大幅度地提高粒子群算法的收敛速度。

In economic development district for example Zhejiang, the function of soil security is gradually weakening because of the soil's income degression, conflict between person and soil, farmer's occupation state changing, etc.

在浙江等经济发达地区,土地的养老保障功能由于土地收入递减、人地矛盾突出和农民就业状况改变等原因已逐渐弱化。

Dante's hell was a series of descending rings," she said."

但丁的阴曹地府是一系列递减的环,"她说。"

However there are some differences in the learning motivation in terms of different backgrounds:① The higher the academic degree holders, the lower the intensity of the learning motivation in self-development, social contact, family requirement and degree pursuing.② The students from town and villages show great motivation in Better Serving Society, however the students from cities pay more attention to the assessments from family and working company.③The intensity of the motivations in female students in pursuing knowledge, self-development and social contact are apparently stronger than male students.④With the increasing of age, the motivation intensity decreases in the aspects of self-development, career-development and competition or promotion. The students in the age of 40"s to 50"s pay more interests in educating children.⑤The motivation intensity in Better Serving Society, Avoid Failure in The Work and Better Educating Children decreases with the increasing of the income. Middle income class emphases more in promotion.⑥ The intensity of motivation in pursuing knowledge is very strong in state-worker and free-lancer. Teachers pay more attention to career development and the free-lancer emphasis in developing enterprises and self-expressing.

在对比分析中,成人学员因学历、来源地、性别、年龄、收入、职业的不同,其学习动机存在一定的差异:①随着学历层次的升高,成人学员在发展、交往、家庭、文凭动机的多个子项上表现出差异,动机强度依次降低;②县乡学员在"更好地服务社会"项目中比城市学员表现强烈,而城市学员更重视家庭及单位对自己的看法与评价;③女性学员在求知、职业、交往三大类上的动机水平较明显高于男性学员;④在发展、职业、竞争或提升三个方面,随着年龄的增加,其动机强度呈递减趋势,而41-50岁的学员在"为了更好地教育子女"这一项上表现尤为突出;⑤在"更好的服务社会"、"避免工作失败"、"更好的教育子女"三个项目中,随着收入的增加,其强度水平依次减弱,中间收入的学员较其它两层次更在意"得到提升";⑥不同职业的学员有不同的动机表现,公务员与自由职业者的求知动机表现强烈,教师的职业动机水平相对偏高,自由职业者强调"发展事业"与"表现自己"。

Conversely, when you play the Law of Diminishing Kicks backwards — when you stop trying to top the last kick and voluntarily turn around to descend through the depths of the nether thrills — something very surprising happens.

相反地,当你顺着边际效益递减规律往后走—当你停止在正常性爱的世界勉励向上一小步,自愿掉转头往逆反的惊悚世界堕落—某些非常惊奇的事情发生了。

Thunbergii trees were established, and the sun survivorship curves were drawn with field data. The results showed that in the three plots, the height and basal diameter growth of regenerated young P. thunbergii trees had exponential, linear, and quadratic functional relations with age and the age structure was of spindle, discrete, and pyramid types, respectively. Most of the regenerated young trees were distrbuted at 0.3-1.2 m from their nearest standing trees, and the individuals of the young trees decreased near to or far from the nearest standing trees. Inplots Ⅰ and Ⅲ, the expected average life of regenerated young P. thunbergii trees had a decreasing trend with their increasing age, and the survival number of the population also decreased with increasing population age. The survivorship craves of regenerated young P. thunbergii trees in the two plots approximated to the type of Deevey Ⅱ, indicating that the young P. thunbergii populations in the plots were at stable development stage. The population structure of regenerated young P. thunbergii trees in plot Ⅱ was lesser integral, suggesting that the population was of declining types being related to human disturbance, slope and other environmental factors.

结果表明:(1) 3个样地中幼龄植株高生长、基径生长与年龄均分别呈指数函数、直线和二次函数关系;(2) 3个样地黑松幼龄植株年龄结构存在着明显差异,分别表现为纺锤形、残缺型和金字塔型;(3)幼龄植株主要集中分布在距最近立木0.3~1.2m,离立木越近或越远幼龄植株均逐渐减少;(4)对样地Ⅰ和样地Ⅲ黑松幼龄植株生命表和存活曲线的分析表明,随年龄的增加,黑松幼龄植株生命期望值基本上呈递减趋势,黑松幼龄植株种群存活数也随着年龄的增加而降低;样地Ⅰ和样地Ⅲ黑松幼龄植株种群存活曲线近似于Deevey Ⅱ型,表明2个样地黑松幼龄植株种群处于稳定发展阶段;(5)样地Ⅱ幼龄植株种群结构很不完整,表明该种群属于衰退型,与人为干扰及坡度等有关。

New growth thinks its germ depends on assuming capital limit accrual decreases successively indefinitely theoretically, begin to revise this kind to assume, formed the analytic framework of oneself, it is to assume capital limit accrual decreases successively indefinitely for one invariable and rather than; 2 be will be born at economic system inside technical factor, implicit assume capital limit tends degressively one plus.

新增长理论认为其根源在于假定资本边际收益无限递减,并开始修改这种假定,形成了自身的分析框架,一是假定资本边际收益为一常数而非无限递减;二是将技术因子内生于经济系统,隐含假定资本边际递减地趋于一正数。

We conducted high-density resistivity surveying combining with boring data across F1 and F3. The results show that F1 cut the 3rd terrace which formed in late Pleistocene, and the last activity was extensional normal slip by echelonment falling down toward the basin. F3 stroke zigzag and cut the 1st alluvial-proluvial terrace and Holocene stratum with large displacement of fault and wide fracture zone in bedrock, and the last activity is the continuous falling around the fault.

结果表明,F1断层错断了盆地区内晚更新世晚期至全新世早期的Ⅲ级阶地;受拉分构造的影响,该断层最新活动显示了向安远拉分盆地方向迁移的阶梯状递减的张性正断裂性质。F3断层在走向上呈锯齿状,错断了山前Ⅰ级冲洪积阶地及全新统至上更新统地层,断距大,基岩破碎带宽,新活动主要表现为断层附近原地连续沉降。

The drug concentration in the janitrix and the abdoninal cavity is higher than that in the abdoninal aorta and peripheral venous after the treatment.The tissue of liver is about the same to kidney .The durg concentration in the janitrix and tissues is high and invariant for a long time. TACE and sequential chemotherapy inhibit the development of the cancer synergily and the latter cannot induce the toxic reaction.

化疗药物腹腔给药后门静脉血中,腹腔液中药物浓度显著高于腹主动脉,外周静脉血;腹腔给药后,肝组织中药物浓度高于肾组织;药物在门静脉,组织中存在较高的药物浓度,递减缓慢,浓度恒定,维持时间长;肝动脉化疗栓塞术有效地控制了肿瘤的大小,序贯化疗亦有效地抑制了肿瘤的发展和转移,两者间作用相互协同;序贯化疗不增加肿瘤病人的化疗毒副反应。

The land use pattern had changed by a relatively large margin in Neijiang city from 1997 to 2005. The main tendency of this change is that with remarkable reduction of cultivated land that decreased by 9936.11hm~2, unutilized land and water area, while garden land, forest land that increased by 7032.23 hm~2, grass land and building land increased notably. And during the research time, the speed of land use type change reduced from garden land, traffic land, forest land, residential areas and industrial and minings land, cultivated land, unutilized land to water area. The main trend of general dynamic degree changed from progressive increase to degression. From the analyses of land use diversion matrix, we know resulting in the quantity change of land use was that cultivated land being occupied by construction,adjustment in structure of agriculture and the implementation of the national reforesting formerly cultivated land policy in Neijiang city.

结果表明:1997~2005年间,土地利用类型发生较大幅度变化,总体上呈现耕地、未利用地、水域面积显著减小和园地、林地、牧草地、建设用地面积增大的趋势,其中耕地面积减幅最大,达9936.11hm~2,林地增幅最大,达7032.23 hm~2;土地利用类型变化速度依次为园地>交通用地>林地>耕地>居民点及工矿用地>未利用地>水域,其中园地为2.67%,水域为-0.01%,综合土地利用动态度呈现先递增后递减的趋势;从土地利用类型转移矩阵分析得出,建设用地占用耕地、农业结构内部调整、&退耕还林&是导致内江市土地利用类型数量变化的重要原因。

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