噜噜高清欧美内射短视频,老色鬼久久亚洲av综合,久久久久亚洲av成人无码,精品日产卡一卡二卡麻豆 ,久久精品国产成人

首頁(yè) 專業(yè)字典
專業(yè)字典
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
詞或詞組 中文 英文解釋中文解釋
Zero initial conditions 零初始條件 The assumption normally made in control engineering that up to a start time defined as t = 0, all variables have zero value.
在控制工程中通常作出的假設(shè),即在定義為t=0的開(kāi)始時(shí)間內(nèi),所有變量均為零值。
Zero time 零時(shí) The time when the given loading or constraint conditions are initially obtained in creep or stressrelaxation tests, respectively.
分別在蠕變或應(yīng)力松弛試驗(yàn)中初始獲得給定載荷或約束條件的時(shí)間。
Zero-gravity 零重力 The situation in which there is no force of gravity (i.e. weightlessness).
沒(méi)有重力的情況(即失重)。
Zirconia-toughened alumina composites 氧化鋯增韌氧化鋁復(fù)合材料 (ZTA composites) Ceramic composites based on aluminium oxide to which zirconium oxide is added, resulting in improved fracture toughness.
(ZTA復(fù)合材料)基于氧化鋁的陶瓷復(fù)合材料,其中添加了氧化鋯,從而提高了斷裂韌性。
Zone melting (zone refining) 區(qū)域熔煉(區(qū)域精煉) A process of purification of materials in which a narrow molten zone is moved along the length of the material, resulting in impurities being segregated at one end.
一種凈化材料的過(guò)程,其中一個(gè)狹窄的熔融區(qū)沿材料長(zhǎng)度移動(dòng),導(dǎo)致雜質(zhì)在一端分離。