您要查找的是不是：
- 据报道说,明天有日环食。It was reported that there would be an annular eclipse tomorrow.
- 我选定了一个观测日环食的最佳地点。We have chosen the best place to observe the annular eclipse of the sun.
- 1987年9月23日日环食引起的电离层扰动IONOSPHERIC DISTURBANCES DURING THE ANNULAR ECLIPSE OF SEPTEMBER 23, 1987
- 1987年9月23日日环食的电离层波动现象THE IONOSPHERIC UNDULATIONS DURING THE ANNULAR ECLIPSE OF SEPTEMBER 23, 1987
- 1960-2160年越南可见的日全食和日环食的路线LES LIGNES CENTRALES DES ECLIPSES TOT ALES ET ANNULAIRES DE SOLEIL VISIBLES AU VIET-NAM DURANT LES ANNEES 1960-2160
- 1987年9月23日日环食6厘米波段射电观测局部源证认THE IDENTIFICATION OF S-COMPONENT SOURCES IN RADIO OBSERVATION OF THE ANNULAR SOLAR ECLIPSE ON 23 SEPTEMBER 1987 AT 6-cm WAVELENGTH
