1·For another, the clouds don't look like the disheveled spheroidal dwarf galaxies that closely orbit the Milky Way and other major spirals.
另一方面,这些星云看上去并不像结构松散的球状矮星系一样紧紧地围绕银河系和其它主要的漩涡星系的轨道运行。
2·In recent years much attention has been paid to phosphatized spheroidal fossils found in the Sinian Doushantuoan phosphorites in Weng an, Guizhou Province.
我国贵州瓮安陡山沱期磷块岩中的磷酸盐化球状化石是近年来受到广泛关注的一类微体化石。
3·Adding different alloy combination of re, copper and titanium, then through gestation and nodulizing disposal, we got the fine texture of ferrite pearlite and spheroidal graphite.
通过在中硅耐热铸铁中添加不同组合的合金元素稀土、铜、钛使其合金化,经过孕育和球化处理,得到铁素体+珠光体+球状石墨的金相组织。
4·The influence of flake and spheroidal graphite on oxyacetylene cutting characteristic of cast iron has been analysed.
讨论了石墨的物理性能,分析了片状和球状石墨聚集状态对铸铁气割性的影响。
5·It is available to strengthen the bit teeth by replacing the granular casting tungsten carbide with the spheroidal sintering tungsten carbide.
用球状烧结碳化钨代替粒状铸造碳化钨作钢齿钻头齿面堆焊材料是提高齿面强化效果的有效途径。