This is an essential step at this point, because otherwise the database could be generated from an out-of-date model definition.
这是很重要的一步。因为如果没有这样做，数据库可能是由过时的模型定义生成的。
On the basis of field experiment in 1996 and 1997, both a development date model and a yield model were established for dry bred and throwing transplanted rice.
用1996、1997年的分期播种田间试验资料，建立水稻旱育抛秧发育期模型和产量构成因子模型，包括茎蘖动态模型、千粒重增长模型、每穗实粒数模型，分析高产特征及机制。
On the basis of field experiment in 1996 and 1997, both a development date model and a yield model were established for dry bred and throwing transplanted rice.
用1996、1997年的分期播种田间试验资料，建立水稻旱育抛秧发育期模型和产量构成因子模型，包括茎蘖动态模型、千粒重增长模型、每穗实粒数模型，分析高产特征及机制。
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