since it reports the occurrence of aCoruciagroup living together in a deep tree hole, and one that was flooded at its bottom. Remarkably, some of theCoruciain the hole were fully submerged and located beneath the water surface at the time of discovery. To my supreme frustration...
一切测量值对真值的偏离。包括测量仪器的不准,样本过小,试验设计不合理,分配或分组不均衡,抽样未随机,测量者有主观倾向等。任何试验必须尽可能排除偏倚,否则统计结论不可信。要保证试验无偏倚,必须有精确的测量方法,一定的样本量,周密的试验设计,随机化的抽样及分组,避免试验者的主观偏见等。百度百科 -byLi Rui ...
jobs 2 jointing 1 Jokulsarlon 3 Jonsson 2 juice 3 jump 12 jumpers 1 jumping 28 jumping competition 1 jumping starting 1 junior 1 justice 2 Kaffi Ilmur 1 Kaffivagninn 1 kangaroo 1 Katrinartun 2 kayak 7 kayaking 5 kayaks 4 kebab 1 Kebab house 1 keepers hou...
I took to embarking on long walks during the cold January nights. There isn’t much green space in proximity to where I live, but there’s a bit of it within a half-hour’s walk. I began to have regular close encounters with the several Red foxesVulpes...