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1945年的夏天，二次世界大战的阴影从地球上空褪去。远在北方的色丹岛无法独占宁静，炮火轰炸过后不久，苏联人的战舰军队到来，令日本岛民们不知是吉是凶。濑能家的两兄弟——10岁的淳平（横山幸汰 配音）和7岁的宽太（谷合纯矢 配音）见证着时代的巨大变革。最初的残酷过去，苏联人的家属来到岛上，不经意间种下了和平友爱的种子。通过音乐，苏日两国儿童成为可以唱歌玩耍的朋友，濑能兄弟则依靠玩具蒸汽火车和住在她家隔壁的女孩塔尼娅变得亲密无间，但好不容易得到的友情却因某起事件而破碎。This.technicalInterview ();情深缘浅...那会一举一动都会受到天下的关注，一个不小心落个弑君的罪名，在道义上将会有极大的亏损。话是这么说，但非要掰扯，法理却也从不是毫无破绽的。The second classification principle of organisms is the lineage classification principle aiming at establishing evolutionary lineage. The classification method following this principle is called lineage classification. The representative of pedigree classification is "branch systematics". It advocates that the branches in evolution should be taken as the criteria for identifying and distinguishing classification units and the basis for determining the pedigree relationship of each classification unit. The so-called co-ancestral proximity (similar to a group of people being a grandfather) is used to measure the genetic relationship between different taxa and determine their position in the pedigree. The classification system finally established is an evolutionary pedigree reflecting the history of phylogeny, which is a deeper description of biological relationship. In other words, the basic principle of pedigree classification is that the classification system conforms to the evolutionary pedigree. Pedigree classification is only applicable to organisms and cannot be used for abiotic classification.(1) Purposeful exercises have well-defined specific goals.