harvest fluctuation

ANALYSIS OF GRAIN YIELD VARIATION FEATURES IN SHANGHAI IN 1951～1996;

1951～1996年上海粮食产量变化特征分析

Study on Production Change Rule of Horizontal Well in Super Heavy Oil Reservoir

超稠油油藏水平井产量变化规律研究

Study on the Characteristics of Grain Food Production Variation in Yantai City Based on the Wavelet Transformation;

基于小波变换的烟台市粮食产量变化特征研究

Research on the Variation and Prediction of Oil Production Rate of Low Permeability Oilfields;

低渗透油田产量变化规律及预测方法研究

Study on Effects of Low Seeding Density Cultivation on Tillers Characteristics and Yield in Spring Wheat;

稀植栽培春小麦分蘖特性及产量变化规律研究

Multiple Time Scales Analysis on Grain Output in Heilongjiang Province Since the Foundation of P.R.C.;

建国以来黑龙江省粮食产量变化小波分析

production-rate history

产量随时间变化情况

other changes in volume of assets accounts

资产物量其他变化帐户

The Empirical Research of the Dynamic Correlation between the Quantity of Money and Output in China;

中国货币数量变化与产出变化动态关联性研究

the physical influence that produces a change in a physical quantity.

使一个物理量产生变化的物理影响。

Analysis of oil production and regional composition change of China in recent twenty years;

近20余年来中国石油产量及构成变化

Analysis of the influences on wheat yield by climate change in Henan

气候变化对河南省小麦产量影响分析

Progress in Research of Impacts of Climate Change on Yield of Field Crops

气候变化对作物产量影响的研究进展

Experimental Research on the Dependence of ～(235)U Fission Yields on Incident Neutron Energies;

～（235）U裂变产额随入射中子能量变化的实验研究

Research and implementation of product transformation design based on parameterization

基于变量化的产品变型设计研究与实现

Trend in Relationship between Water Supply Amount and Grain Yield of Winter Wheat from 1987 to 2007

近20年冬小麦供水量与产量关系变化分析

THE DYNAMIC CHANGE OF COMPONENT FACTORS OF HIGH YIELD ON PEACH TREES

桃树高产栽培中产量构成因素的动态变化

Review of world primary aluminium capacity and production from 1998 to 2007;

1998年～2007年世界原铝产能与产量的变化回顾