【正文】 t sure whose voice it was, but the fear reached her. She pushed, and mana ged to open her seat belt with one hand while holding her self away from the panel with the other. She slipped out to the side and saw her chair bounce across the shattered array of dials, stick briefly in the frame of the broken port, and launch into space. She thought her legs were broken, but found she could move them. The pain lessened as she drew on reserves of strength to help Bill out of his cha ir. Too late, she saw that his eyes were closed, his forehead and the inside of his helmet smeared with blood. As his body slithered loosely over the control panel she saw the dent his helmet had made in it. She fought for a grip on his thigh, then his calf, his booted foot, and he was falling, falling in the middle of a glittering shower of glass. She came to her senses crouched in the leg well under the control panel. She shook her head, unable to recall what had put her there. But the force of deceleration was not so great now. T hemis had succeeded in bringing Ringmasteror what was left of itup to its own rotational speed. No one was talking. A hurricane of breathing came through the spea ker in her helmet, but no words. T here was nothing to say。s alive. What did you say? Bill was trying to hold himself secure with both hands m the instrument panel. He was strapped solidly to his chair, but the bolts which held it to the floor had broken. The ship shuddered again, and Cirocco39。t tied down leaped up and hurtled through the mouth of jagged teeth that had once been a viewport. Blood pulsed in her face as she hung above a bottomless blac k hole. Large objects turned lazily in the sunlight. One of them was the engine module of Ringmaster, out there in front of her where it had no right to be. She could see the broken stump of the connecting stem. Her ship was ing apart. Oh, shit, she said, then had a vivid recollection of a tape she had once beard from the flight recorder of an airliner. Tha t had been the last word the pilot had uttered, seconds before impact, when he knew he was going to die. She knew it, too, and the thought filled her with a vast disgust. She watched in dull horror as the thing that had the engines wrapped more tentacles around it. it reminded her of a Portuguese man o39。s got us. Cirocco hurried back to her station, just in time to miss seeing the grapple sweep over them. The ship jumped again, and awful noises came from the rear. What did it look like? Great big octopus tentacles without the suckers. He sounded shaken. Tthere were hundreds of them, waving around all over. The ship gave an even greater lurch, and more alarms began to sound. A firestorm of red lights spread across her controls. We39。s voice. I said no talking. It looks like an automatic device is going to pick us up. This must he the docking facilities we were looking for. It looks more like an attack to me, August muttered. They must have done this before. They must know how to do it safely. She wished she could convince herself of that. it didn39。s programing she was able to fire all the thrusters on the side of the ship facing Themis, but it was not nearly enough. The great mass of Ringmaster barely moved. Other than that, she could only sit and monitor the automatic engine sequencing and count the seconds as they dragged by. In a short time she knew they could not escape. That thing was big, and moving faster. Bill appeared, suited, and she scrambled into SCIMOD to don her own suit. Five anonymous figures sat be lted to acceleration c ouches, not moving, staring at the screen. She clamped her helmet, and heard chaos. Quiet down. The chatter died away. I want silence on the suit channel unless 1 ask you to speak. But what39。re gonna grab us! Bill, start the engine sequence, stop the carousel, get rea dy to move. But it39。t you want to e up and see this? Cirocco saw her shake her head. She scanned the numbers marching across a tiny screen. And lose the best observing time of the whole trip? You39。s shadow fall across the part of the ring nearest them, cutting it like a razor. Sunset lasted fifteen seconds. The colors were deep and changed rapidly, pure reds and yellows and blue blacks like those seen from an airliner in the stratosphere. There was a soft chorus of sighs in the cabin. The glass depolarized and everyone gasped again as the rings grew brighter, br acketing the deep blue glow that outlined the northern hemi sphere. Gray striations became visible on the plaary surface, illuminated by ringlight. Down there were storms as big as the Earth. When she looked away at last, Cirocco saw the screen to her left. Gaby was still in SCIMOD. There was an image of Saturn on the screen above her head, but she didn39。m going off this channel. She slapped the appropriate switch. Anybody who wants to take a look outside, this is going to be your only chance. It was tight, but August and April and Gene and Calvin man aged to squeeze into the cramped room. After checking with Gaby, Cirocco turned the ship niy degrees. Saturn was a dark gray hole, seventeen degrees wide, covering 1000 times the area of the moon as seen from Earth. The rings w ere an incredible forty degrees from side to side. They looked like solid, brilliant metal. Ringmaster had e in north of the equator, so the upper face was presented to them. Each particle was being lit from the opposite side, presenting a thin cresce nt, like Saturn. The sun was a brilliant point of light in the ten o39。 C. bones manding. We have arrived in Saturn orbit at hours, U niversal Time. I39。 另外，在系統(tǒng)開發(fā)過程中同組的同學(xué)也給于我很大的幫助，幫助解決了不少的難點(diǎn)，使得系統(tǒng)能及時(shí)開發(fā)完成，還有同樣給與我不少幫助，這里一并表示感謝。 王 老師認(rèn)真負(fù)責(zé)的工作態(tài)度，嚴(yán)謹(jǐn)?shù)闹螌W(xué)精神和深厚的理論水平都使我收益匪淺。 可擴(kuò)充內(nèi)容 使用者的權(quán)限，成績管理部分，數(shù)據(jù)庫備份和恢復(fù)等。 查詢模塊做的不是很理想，只能進(jìn)行單條件查詢。圖書信息的管理，需要圖書館來完成。而信息管理系統(tǒng)，需要多個(gè)職能部門來參與管理，比如 學(xué)生信息以及成績的錄入，需要教師來管理。 缺點(diǎn) 學(xué)校管理系統(tǒng)的