三代的

Sting Ray represents the first generation of programmable torpedoes and attention has been turned to the problems of how to harness the vast computer powers now available with their associated software programs, how to package the maximum computer power in the smallest possible space, and how to improve still further the processing and filtering techniques so vital to exclude extraneous noise and vibration.

分析：并列分句attention has been turned to the problems…里的the problems后的介词of 接有三个由疑问词how +动词不定式短语构成的并列成分。filtering techniques：滤波技术，鱼雷利用该技术可以滤掉海洋里产生的干扰声源和鱼雷在水里运动时产生的振动和噪声，所有这些干扰都会对装在鱼雷上的声纳产生干扰，从而影响其探测功能。译文：&鳐鱼&代表着第一代程序控制鱼雷。人们已经将注意力转到如何利用现有的巨大计算机能力及其相关软件程序，如何在尽可能小的空间内容纳最大的计算机能力，以及如何更进一步改进对于排除外来噪声和震动来说至关重要的处理与滤波技术等问题上。

Based on 18 boxes of fossil specimens collected by the author from Xiaheyan, Zhongwei, Ningxia Hui Minority Autonomous Region and some other geological and palaeontological data from both Xiaheyan and the adjacent sections in the east sector of North Qilian Mountains, the present paper studies the botanical characteristics of Middel-Late Namurian Flora in Locality Xiaheyan and represents the primary reconstruction of the Middle-Late Namurian Flora in the Northeast Qilian Mountains, also tries to make available accounts for the correlation between the different Flora provinces, and discusses the origin time of Cathaysian Flora based on the succession and the transmissibility of the plants through the whole Namurian stage.

结合自从大学三年级一直到硕士研究生阶段笔者踏勘过的北祁连山东段地区十几条石炭系剖面，以及对相关文献的整理，笔者初步分析了北祁连山东段纳缪尔中晚期植物群的垂直演化分布情况，并完成了该期全球不同植物地理区系植物群植物学性质方面的简要比较。北祁连山东段地区纳缪尔早期与中晚期植物群的遗传性与继承性，加之华夏植物群的特征分子及一些东方型地方性分子在纳缪尔早期的出现，笔者认为这些无疑为晚古生代四大植物群之一的华夏植物群的起源完成于纳缪尔初期提供了有利证据。

Different risks have different insurance needs, and therefore, for the purchase of personal loan business, at least three types of insurance required : First, the housing mortgage property insurance, the main victims of accidents and protect property damaged by natural disaster risks; Second, lenders regular credit life insurance, principal owing on the loan guarantee period by the lender or accidental injury and disease incapacity or death situation, banks can secure their loans, lenders families can continue to live; Third mortgage purchase a performance bond insurance, in which insurance, the insurance companies play the role of the guarantor to charge a premium for the purchase of security costs, credit for the purchase and the provision of economic security, as was the guarantor for death, unemployment causes an inability owing on the loan, the insurance companies on behalf of their debt to banks liquidated I, at the same time exercise the right to recover from the collateral, or to the insured recover compensation awards.

不同的风险有不同的保险需求，因此，对于个人贷款购房业务，起码需要三类保险的保障：一是抵押住房的财产保险，主要保障房产遭受意外事故和自然灾害毁损的风险；二是贷款者的定期信用人寿保险，主要保证还贷期内在贷款人因疾病或意外伤害而丧失工作能力或死亡的情况下，银行能安全收回贷款，贷款者的家人能继续居住；三是抵押贷款购房履约保证保险，在这种保险中，保险公司扮演了担保人的角色，向购房人收取一定的保险费作为担保费，并为购房人的经济信用提供担保，当被担保人因为死亡、失业等约定原因无力还贷时，保险公司代其向银行清偿余债，同时行使追偿权，从抵押物中得到补偿或向投保人追回赔款。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。