【摘 要】
:
青岛市小麦生产,连续五年获得丰收。特别是今年,全市391.3万亩小麦,单产、总产均创历史最高水平,单产达378.2公斤,总产148万吨。回顾五年来小麦生产所以能够取得这样的好成
论文部分内容阅读
青岛市小麦生产,连续五年获得丰收。特别是今年,全市391.3万亩小麦,单产、总产均创历史最高水平,单产达378.2公斤,总产148万吨。回顾五年来小麦生产所以能够取得这样的好成绩,
Qingdao wheat production, bumper harvest for five consecutive years. Especially this year, the city’s 391.3 hectares of wheat, yield, total output hit the highest level in history, yield of 378.2 kilograms, a total of 1.48 million tons. Recalling the past five years of wheat production so be able to achieve such a good result,
其他文献
用籼型光敏不育系与不同熟期的早籼品种杂交,对F_1、F_2、F_3的遗传及育性表现进行追踪试验,结果表明:杂交后代育性分离比率为15:1,不育性是受两对独立隐性基因控制。从F_2—
We study in this paper the continuity of the objective function for variable program-ming. In particular, we study the second-order optimality conditions for un
The Filled Function Method is a class of effective algorithms for continuous global optimization. In this paper, a new filled function method is introduced and
本试验于2006-2007年在扬州大学实验果园进行,比较了不同钾肥施用量和施用方法对葡萄砧木贝达(Vitis labrusca L.×Vitis riparia Michx.cv.Beta)和栽培品种巨峰(Vitis vinif
To solve nonlinear complementarity problems (NCP), at each iteration, the classical proximal point algorithm solves a well-conditioned sub-NCP while the Logarit
In this paper,we propose an algorithm for isolating real roots of a given univariate spline function,which is based on the use of Descartes’ rule of signs and
We are interested in the numerical solution of the large nonsymmetric shifted linear system,(A+αI)x=b,for many different values of the shift α in a wide range
阅读是搜索处理信息、认识世界、发展思维、获得审美体验的重要途径.教师要掌握新理念指导下的新的教学内容和新的教学策略,在教学中激发学生阅读的兴趣,使学生尽快进入阅读
应试教育下高中语文教学注重了语文的工具性而忽视了其人文关怀、情感教育、文学功能、生活本源,这样学生学起来枯燥,也不利于其全面发展.语文课堂应该异彩纷呈,妙趣横生,关