Problems remain, however, in putting the bold idea to practical use.
要把利用光合微生物的大胆想法变成现实，还有不少问题要解决。
Is the designer frequently encountered in practical design work is one of important technical problems.
是设计人员在实际设计工作中经常遇到的一个重要技术难题。
However, there are still some problems in practical use.
但是在实际应用中，还存在一些亟待解决的问题。
Some other problems in practical application are analyzed at the end of the paper.
最后就实际应用中的一些问题进行了分析。
In fact, there are many practical problems of the past have been plagued me.
其实，有很多现实的问题会一直的来困扰我。
However, there are many problems in the practical teaching.
关门说教，轻视联系实际的问题；
However, there are many problems in the practical teaching.
关门说教，轻视联系实际的问题；
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