有时偶尔孩子或者许很难维持或者会合重视力，那么就即刻停下来，给一分钟的说中文的光阴。
Sometimes ― it might be difficult for the children to concentrate, then just stop and start a 'compulsory talking' in Chinese for exactly one minute.
有时偶尔孩子或者许很难维持或者会合重视力，那么就即刻停下来，给一分钟的说中文的光阴。
Sometimes % it might be difficult for the children to concentrate, then just stop and start a 'compulsory talking' in Chinese for exactly one minute.
王兴雪，王海涛，钟伟，杜强国，许元泽，静电纺丝纳米纤维的方法与应用…
TiN nanorods were synthesized using electrospinning technique followed by thermolysis in different atmospheres. A dimethyl formamideCethanol solution of poly-(…
王兴雪，王海涛，钟伟，杜强国，许元泽，静电纺丝纳米纤维的方法与应用…
TiN nanorods were synthesized using electrospinning technique followed by thermolysis in different atmospheres. A dimethyl formamideCethanol solution of poly-(…
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