料场规划应对主要料场和备用料场分别加以考虑，其中不属于主要料场的规划要求是（）。 质好。 有利于常年开采。 运距近。 通常在淹没区外。
如果估计量的数学期望等于被估参数，则该统计量被称为被估参数的（）。 无偏估计量。 有效估计量。 一致估计量。 充分估计量。
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Which of the following will occur if an operator types the command vi file.out?（） If the file exists it will be opened for editing. If the file does not exist an error message will be displayed.。 If the file exists it will be opened for editing. If the file does not exist a new file with the name file.out will be created and opened for editing.。 If the file exists an error message will be displayed. If the file does not exist a new file with the name file.out will be created and opened for editing.。 If the file exists the operator will be asked whether to open the file or overwrite the file. If the file does not exist a new file with the name file.out will be created and opened for editing.。
A customer has been working with your company to purchase an iDataPlex cluster. They have a configuration from IBM and are getting ready to place an order. Which should be done of the following？（） A solution sizing questionnaire。 Verify the customer has the proper racks。 A Technical Delivery Assessment。 Verify the customer has enough cooling in the computer room。
Which of the following are valid bundled components of WebSphere Commerce Professional Edition？（）
