Due to the large software development cycle longer repeatedly in software development process easier to produce some unpractical function .

由于大型软件的开发周期较长，在反复的软件开发过程中更容易产生些没有实用性的功能。

It is assumed to be unpractical to make interest rates be a constant or independent identical distributed every year .

但是假定利率取某一常数或假定每一年的利率独立同分布似乎都不太现实，因为我们知道每年的利率通常具有一定的相依性。

I don 't know whether it is unpractical , but i sincerely hope that you could lend me a hand !

我知道这个念头是那么愚蠢那么不切实际，但我还是真诚地希望您能够帮助我！

The simulation can only ensure the result correct , but face the complex system , simulation without end is unpractical .

仿真验证只能保证比较核的仿真结果正确，但对于复杂系统，无穷尽的仿真是不现实的。

However , the previous meaning studies in translation are not comprehensive and the theoretical models put forward are unpractical for translators .

然而，翻译中以往的意义研究缺乏一定的系统性，提出的理论模式对译者而言都不甚实用。