设计一种悬挂式缓冲包装结构，在空投补给时对脆值为20g左右的仪器提供缓冲保护。
The suspending cushion packaging structure was designed to protect instruments of 20g in airdrop supply.
从产品已知条件出发，利用有限元、模态综合法和振型叠加法等理论，探索出求产品脆值的新方法。
Based on Known conditions of the product, by using the FE? Modal synthesis and vibration modal congruence theories, this article explores a new product frailty solution.
同时指这两种脆值定义的异同点，并说明振动脆值的研究工作，无论从理论分析上还是在实验测试上都要更复杂更困难。
The difference and same of the definitions of these kinds of brittle value are pointed out. The research work of the brittle…
同时指出了这两种脆值定义的异同点，说明振动脆值的研究工作，无论从理论分析上还是在实验测试上都更复杂、更困难。
The theory drops a hint that it is more complicated than expected whether the job is analyzed theoretically or checked experimentally.
结果表明，B值较客观地反映了纸质发脆的程度。
The results show that B-value can objectively 'measure the degree of paperbrittleness.
结果发现，失效件的硅含量偏高、硬度值很不均匀，冲击韧度和伸长率远低于材质要求，因而导致脆断。
The results shows that the failure parts has high silicon content and uneven hardness , the impact toughness and elongation is far below the specification of the material.
利用超精密磨床磨削加工6种典型的光学玻璃，先从理论上研究了脆性材料脆塑转变的临界值。
In this paper, the typical 6 kinds of optical glasses have been grinding by the ultra-precision grinding, brittle-ductile transition's critical depth of brittle materials is researched theoretically.
当弹性体的含量高到一定程度，分散相的粒间距达到临界值，则发生明显的脆韧转变。
The sharp brittle-tough transition is observed at a critical interparticle distance when the content of elastomer is relatively high.
根据这三个关系式预测韧脆转化曲线的具体步骤为：1．对约束参数A_2进行分析，确定A_2的值；
The procedure to predict the DBT curve is given in detail: 1. analylize the parameter A_2 of non-standard specimens and specify its value;
根据这三个关系式预测韧脆转化曲线的具体步骤为：1．对约束参数A_2进行分析，确定A_2的值；
The procedure to predict the DBT curve is given in detail: 1. analylize the parameter A_2 of non-standard specimens and specify its value;
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