.)①宇航服的特点是什么?(密封,保温)②岁差现象是由谁发现的?(虞喜)③祖冲之编定的历法叫什么名字?(《大名历》)④唐朝是谁主持测定了子午线的长度?(僧一行)⑤世界上最古老
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/25 17:45:15
xXir*GЁ>&3 I,HBD#cH4{;YUW/PvAV_f֧~h R=t.C]hQ5=@Gj|oeqF1r.2xэn
%^yFnhp/(kr*_eD}>K4?P @-E6&^3//P.%[
xu|/z}nuRا?lBI$b4Uۂ1rFz};ܮJh6E:
4]ނZ4wJzX(ҁ&lU_Ta5=VsdXJ%nGS3ɭk6i˶F(eg{'gdަx'Fj=`qy[7镺uDV"v|KKhϏm}O[5ZFbMwR@Ƚ;&tp+\v_uUa PkZ<ˬQE9#Y8㕫kJWinaѧ~ӟ9#ARf
1aAUnf' b2c/n&'~u|rΈx1"wjX:V@k|٤NO_xԟdE-c:n!Y$WpgQO HCF(WmuMCV^^/X[X.f*|cbnQemdP^hTub4<aKS.-JfvP51 yPY?Iₜ "5X"K5^KO#̈/pG"5,Q.kM (y|U(ViDUg:;K\ǁ-\0!&|!'0WeKҾ1