我国大部分地区都是实行有标底招标，其中标底的编制及标底的保密都存在问题。

Most areas in China implement base price bidding, in which compile and confidential of base price all exist problems.

我国大部分地区都是实行有标底招标，其中标底的编制及标底的保密都存在问题。

Most areas in china implement base price bidding , in which compile and confidential of base price all exist problems.

报告暗示系统可能存在问题。

The report implies that there may be a problem with the system.

阳极上的腐蚀表明系统存在问题。

The corrosion on the anodes indicates a problem with the system.

屏幕上的振荡的信号表明存在问题。

The oscillating signal on the screen indicates a problem.

发动机的排气温度过高，表明可能存在问题。

The egt of the engine is too high, indicating a potential problem.

频繁的数据的重新传输可能表明网络连接存在问题。

Frequent retransmissions can indicate a problem with the network connection.

然而，风车确实存在问题。

However, there are real problems with windmills.

这个过程本身也存在问题。

This process has its own problems.

科学基金主要投人到存在问题的领域。

Scientific funding goes mainly to areas with many problems.