这里构建的 DSL 是一个简单的计算器语言，用于获取并计算数学表达式。
The DSL being built here is a simple calculator language, designed to take mathematical expressions and evaluate them.
我想我们可以减少市场销售的预算数字，这样可以使我们有更多的钱用于生产。
I think we cold reduce the figure for marketing-that would allow us to have more money for production.
结果表明，本文建立的质量消光系数计算数学模型可用于预估红外烟幕遮蔽性能，而且模拟结果与实验结果基本吻合。
The results indicate that maths-model can beforehand shield performance of ir smoke, and some of results are confirmed by experiment, the experiment results are according with simulated results.
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