After some experiments and programming done, an adaptable and completable vector data structure model based on PDA is reached.
通过实验研究与编程实现，得出了一种在掌上电脑上具有较好的完备性和适应性的矢量数据组织模型。
A loading material method of pressing the agricultural residue tightly and covering the surface with ash was proposed after some experiments.
通过初步实验，确定了装料时压实生物质料、装料后在表面覆盖灰的阴燃操作方法。
Shortly after the first experiments were conducted in England and France some 350 years ago, blood transfusion was banned by the French parliament, effectively halting all such trials in Europe.
大约350年前，第一例实验在英国和法国实施后不久，输血就被法国议会禁止，实际上禁止了欧洲所有的这种实验。
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