内容介绍 东北玉米，ISBN：9787109115149，作者：杨镇、才卓、等
利用面向对象的VB6.0编程技术和模块化的设计思路编制了东北玉米区域动力模型软件系统。
The model software system was developed by object orientated VB6.0 programming technology and based on module designed thought.
巴西东北部和墨西哥等集约化养殖地区的最佳生长期可能会降至120天以下，这对玉米等作物的成熟至关重要。
Intensively farmed areas like northeast Brazil and Mexico are likely to see their prime growing seasons fall below 120 days, which is critical for crops such as corn to mature.
东北平原大部分是黑色沃土，盛产小麦、玉米、大豆、高粱、亚麻和甜菜。
The fertile black soil of the Northeast Plain is ideal for growing wheat, corn, sorghum, soybeans, flax and sugar beets.
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