1) four point method
不对称四点法
1.
It is proved that the orthogonal sequential three point with 5 points, the orthogonal sequential three point with 9 Points, the three point compound method, the asymmetric four point method and the asymmetric 2 D mixed method are superior to the others with respect to the criterion of minimizing harmonic losses.
按形状误差谐波抑制最小准则,论证了五点式正交逐次三点法、九点式正交逐次三点法、复合三点法、不对称二维混合法和不对称四点法优于其他方法,不对称四点法则较为理想。
2) a-tetrazine
不对称四嗪
3) Asymmetric method
不对称法
4) lattice asymmetry
点阵不对称
5) unsymmetric point pattern
不对称点组
6) Opposite-symmetric four-point flexure
反对称四点弯曲
补充资料:对称戊四醇四硝酸酯
分子式C5H8N4O12,分子量316.11。亦称对称戊四醇四硝酸酯。是爆炸力极强的猛性炸药。无色晶体。熔点138°~140℃。密度1.75g/cm3。150℃以上分解,205°~215℃时爆炸,不吸湿,不溶于水,微溶于乙醇、乙醚,溶于丙酮。爆炸威力比梯恩梯大。多用作传爆药。与梯恩梯混和可制成最猛烈的爆破药。可由季戊四醇经浓硝酸硝化制得。
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