大概估计 meaning in English

at a rough estimate

You can use this information to approximate the buffer size you will need
可以利用此信息大概估计所需要的缓冲区大小。
I didn ' t weigh it , but just evaluate it . i know the error is a bit large . i will have it weighed
呵呵，确实没有称过。我自己大概估计的，误差较大，改天称一下。
These characteristics do not only determine the stone ' s quality , they can also be very useful in identifying the diamond , since every diamond is unique
对于花式琢型也可进行切工分级，但由于异形的缘故，只作大概估计。
Add 10 computers , office space , internet connectivity , copy machines and other routine expenses , and a rough estimate of the overall cost of localization can be made
加上10台计算机，办公空间，因特网连接，复印机和其他日常开销，就能大概估计本地化的总体成本。