拉丁方设计 Latin square design
要求重复次数和处理次数相等,纵横双向均构成区组,各小区方阵排列,每一处理在每行或每列仅出现一次,是田间试验中随机区组排列的特殊形式。
— Hey, Derek, which do you think is harder to learn, marketing or designing?
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A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
Programs for Web site design and HTML coding are called Web page editors or .
— Hey, Derek, which do you think is harder to learn, marketing or designing?
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