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- Growth duration model 熟期性模型
- In this paper, CERES-Wheat model was run to simulate leaf area index, aboveground biomass, stems per square meter, phenology and growth duration of winter wheat under water-limited condition and the simulated data was compared with the observed data. 本文利用该模型对限水条件下冬小麦的叶面积指数、地上部分生物量、茎蘖数、物候期和生育期进行了逐日动态模拟，并将模拟结果与实测数据进行了比较。
- The tow ensiling corn hybrids, being late growth duration, is limited to be popularized. 2个青贮专用玉米因生育期太晚，推广地区有限。
- Furthermore, during the growth duration of rice, the content of STP, organic phosphorus, Al-P, Fe-P, Ca-P, O-P presented decreasing tendency. 在水稻生育期中,土壤全磷、有机磷、Al-P、Fe-P、Ca-P与O-P含量总体呈下降趋势。
- It can accelerate growth duration 2 days, prevent flowers and pods from dro-ping, increase yield by more than 12% and improve soybean quality. 可促早熟2d,保花、保荚,增加产量12%25以上,并可改善大豆品质。
- Sesults indicated that the mutant waxy rice had the same growth duration, similar agronomic characters, panicle and spikelet traits as parent. 结果表明，糯稻具有与原品种相同的生育期，相似的农艺性状、穗部和花器性状。
- There is no single spacing practice best for all varieties.It varies with tillering capacity and growth duration of a variety. 没有一个对所有品种都是最好的株行距，视品种分蘖力和生育期而定。
- This paper establishes the duration model by taking into account the inherent time and employing 310,000 transactions data censored for 4 mutual funds,and observes the disposition effect on the institutional investors. 本文建立既考虑“内在时间”(inherent tim e)影响,又处理了样本数据审查(censored)问题的持续期模型,采用4只投资基金的31万多帐户交易数据作为样本,系统研究了我国基金投资者的处置效应。
- In the whole growth duration irrigation should be proper,overfull irrigation will cause the plants grow in vain.At the same time plant diseases and insect pests should be ... 整个生育期灌水应适当,不宜过多,以免引起徒长,同时应注意对潜叶蝇和根腐病等病虫害的防治。
- The function of plastic film on growth duration is very significant,and it embodies mostly in early stage.Correlation of maize root number,LAI and grain yield at anthesis stage is significant. 覆膜对生育期的影响达极显著水平，其影响作用主要在玉米生育前期。
- In this section we analyze the characteristics, applying range and the correlation of different models and the duration models under various term structure models such as Vasicek, CIR, HJM and Moreno model, etc. 然后我们对利率风险的持续期度量方法进行了详细分析，分别介绍了Vasicek模型、CIR模型、HJM模型、Moreno随机波动两因素模型下的持续期模型。
- Second, we use traditional econometric modeling in the form of duration models with unobserved individual heterogeneity. 其次，我们采用传统的统计经济学模型方法，以持续模型为形式作评估，对个体的多样值则忽略不计。
- autoregressive conditional duration model 自回归条件久期模型
- The traditional duration models contain Macaulay duration, Modified duration and Fisher-Weil duration. And the stochastic duration models contain two kinds of single-factor stochastic duration and a kind of two-factor stochastic duration. 包括各种传统的久期模型和随机久期模型,其中传统的久期模型本文分析了Macaulay久期、修正久期和Fisher-Weil久期,随机久期模型本文分析了两种单因子随机久期和一种双因子久期。
- The main impediment to growth is a lack of capital. 影响发展的主要障碍是缺乏资本。
- He has been an unsung hero of the country's economic growth. 他是使这个国家经济成长的无名英雄。
- Lack of food may stunt the growth. 缺乏食物可能妨碍发育。
- The study of call duration model of users in mobile intelligent network 移动智能网用户的通话时长模型分析
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- The growth of violent crime is a very real problem. 暴力犯罪的增加是个非常现实的问题。
