The results show that microstructure and mechanical properties of the BTi-62421S alloy can be significantly improved by heat deformation.

结果表明，热变形能明显优化合金的组织和力学性能。

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But the short residual effect of common Bti formulations limited the larger scale application in the field and brought up the inconvenience in. the transportation and storage as well.

但由于现有剂型持效期短，限制了更大规模的应用，也给储存运输带来麻烦。

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But the short residual effect of common Bti formulations limited the larger scale application in the field and brought up the inconvenience in. the transportation and storage as well.

但由于现有剂型持效期短，限制了更大规模的应用，也给储存运输带来麻烦。

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