The working principle and designing methods of the indirect heating helical type coal burner were presented in this paper.

本文介绍了旋板式燃煤间接加热热风炉的工作原理及设计方法。

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Connecting with the working practice, this paper makes effective exploration on how to excavate and give full play to the direct value and indirect value of the sci-tech archives.

结合工作实践，就如何充分挖掘、发挥科技档案的直接价值与间接价值进行了有益的探索。

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The basic working principle of the DSTATCOM is studied and its mathematical model is established in this paper. The direct current control and indirect current control are compared in this paper.

本文首先研究了DSTATCOM的基本工作原理，建立了其数学模型，比较了直接电流控制和间接电流控制两种常用的控制方法。

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At a time when the middle and working classes are subjected to rigorous austerity measures including higher direct and indirect taxes, delayed retirement and increased costs for public services, the government of Prime Minister Mario Monti wants to prove that the traditional exceptions for the rich are over.

FORBES: Warning: Hide the Lamborghini; Taxman in the 'Hood