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- The general relations between the homology of a group and its lower central series are exhibited with the help of the 5-term sequence,and the main tool for the proof possesses H~2(G,A)classification extensions with Abelian Kernel. 本文利用5-项序列来表示群的同调与其低项中心序列之间的一般关系,证明中用的主要工具是具有阿贝尔核的 H~2(G,A)的分类扩张。
- lower central series 降中心列
- High throughout the southeast, northwest lower central staghorn River, soil sand and more serious soil erosion. 全境东南高、西北低，鹿角河流经中部，土壤沙多，水土流失严重。
- A scissor bite is preferred, but a level bite is acceptable. It is not unusual to see dropped (receding) lower central incisor teeth. 如剪刀状完全吻合的咬合是最好的，咬合稍微偏差一点是可以被接受的。但上下齿看起来不可以是明显地前后落差。
- Mesial tipping occurred in all teeth except the upper second molars, the lower central incisors, and the lower lateral incisors. 测量牙冠舌侧近远心倾斜与颊舌侧斜角度，结果显示，上颚除第二大臼齿以外，其他牙齿皆为近心倾斜，最大近心倾斜为犬齿。
- As early as 4 months, the first primary, or baby teeth, to erupt through the gums are the lower central incisors, followed closely by the upper central incisors. 最早在4个月的时候，首先萌出的是下颌第一乳切牙，紧接着萌出的是上颌中切牙。
- As early as 4 months, the first primary, or baby, teeth to erupt through the gums are the lower central incisors, followed closely by the upper central incisors. 最早在4个月大时，第一颗乳齿或婴儿齿开始从牙龈突出的是下面中间的门牙，紧跟著的是上面中间的门牙。
- Methods After exposed to infrasound stimula tion with 8Hz,120dB SPL,2h /time,1t ime /d for continued 30days,the morp hological changes of the lower central auditory pathways of guinea pigs were observ ed by optical and electric microscop y. 方法豚鼠在接受次声暴露条件为8Hz、120dBSPL、1次/d、2h/次、共30d的暴露后,通过透射电镜等方法,观察豚鼠下位听觉通路结构的细胞组织形态学和超微结构的变化情况。
- The central series of a nilpotent Lie ring 关于幂零Lie环的中心列
- "In the patient who after trauma or with critical illness may have hypovolemic shock and low central venous pressures, the vein will probably be less distended than in our subjects. 在外伤或重病患者中，可能会出现血容量减少性休克和低中心静脉压，静脉的扩张范围较小。
- With interest rates now so low central banks can no longer hope to revive ailing economies by cutting the price of money and making it cheaper for people to borrow - they have run out of ammunition. 在利率现在已经很低了的情况下，央行不能再希望通过削减资本价格让人们以更低的价格来借贷以恢复病态的经济-他们已经耗尽了免疫力。
- The central forward portion of the lower jaw. 下巴下颚中间向前突出的部分
- root apex of lower central incisor 下中切牙根尖点
- Sherman recommended that Clarke be disciplined, but higher-ups rejected the idea. 谢尔曼建议对克拉克进行纪律惩戒，但高层拒绝了这个意见。
- root apex of lower central incisor, LIA 下中切牙根尖点
- Unwaged members pay a lower entrance fee. 无固定收入的人入场费从优。
- A man's voice is usually lower than a woman's. 男子的嗓音通常比女子的低。
- The little boy used to push out his lower lip. 那个小孩以前老要撅起下嘴唇。
- Tom was lying on the lower bunk. 汤姆躺在下铺。
- Any chance of a lower price from you? 你能不能要价低一点？
