【摘 要】
：
婴儿从出生起似乎就与啼哭有了不解之缘,饿、困、痛时都要啼哭,由于婴儿不会说话,还不能用语言来表达他们的要求,他们就用特殊的语言——啼哭来表达自己的感觉和愿望。年轻
论文部分内容阅读
婴儿从出生起似乎就与啼哭有了不解之缘,饿、困、痛时都要啼哭,由于婴儿不会说话,还不能用语言来表达他们的要求,他们就用特殊的语言——啼哭来表达自己的感觉和愿望。年轻的父母们若能掌握各种不同的哭声,对了解婴儿的状况是大有好处的。母乳喂养的婴儿,如果一边洪亮地哭,一边左右转动头颈,口中发出短促的“啊—啊—”音,此时如抱起来,头自然转向靠大人身体的一
Babies, from their birth, seem to have had an indissoluble bond with crying, crying when they are hungry, sleepy, and painful, and because babies can not speak and can not express their demands in words, they cry in special languages To express their feelings and wishes. It is good for young parents to understand the condition of their babies if they have different cries of crying. Breastfed babies, if they cry loudly, turn their head and neck from side to side, giving a short “ah-ah-” tone at this time, and at this moment they will naturally turn to one by the adult’s body
其他文献
1月30日,甘肃省各类农产品产销协会及营销家队伍座谈会在兰州西北宾馆召开.rn会议重点总结2020年协会主要工作,安排部署协会2021年和春节期间主要农产品保供促销工作.会上,省
Green catalysis is one of the kernels for green chemistry.The characteristics of green catalysts are at least (1) highly efficient with outstanding activity
进入腊月,家家户户都忙着备年货,地处甘州区安阳乡的饲草基地上,前来拉运草料的大型车辆排成“长龙”,为牛羊备“年货”的场面热闹非凡.rn近年来,牛羊肉价格居高不下,极大地
Synthetic dyes have been widely used in various fields such as textile,rubber,plastics,leather tanning and so on.Nanofiltration (NF) is considered to be a f
Great product innovations change the world,improve the way we live,and prepare the foundations to further innovations.Historic cases of great products can b
请下载后查看，本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
Since energy crisis and environmental problems have been the greatest challenges of 21st century,direct carbon fuel cell (DCFC) which can generate electricity w
Since Fujishima and Honda [1] a large number of semiconductors,e.g.,oxides [2],(oxy) nitride [3],and (oxy) sulfide [4],have been reported to have photocatalytic
1937年12月,南京城南雨花台的雨,是弹雨、肉雨和血雨,12月12日这一天,广西岑溪籍将军高致嵩和他的众多战友们,在南京保卫战中壮烈殉国。黄埔岁月东征北伐高致嵩,字子晋,1898
Some harmful N-containing compounds including nitrile gases (HCN,CH3CN,C2H3CN),nitrous oxide (N2O),and nitrogen oxides (NOx) could be inevitably generated f