This article mainly includes: taking lowest weight as optimization goal, criterionrequest as restrict, optimization programme on jib arm structure of giant floatingcrane design is written based on genetic algorithm;according to jib arm structure ofgiant floating crane which is being designed and other former ones, size and structureform of jib arm are deeply discussed, furthermore, relatively reasonable jib armstructure scheme is proposed.

課題主要內(nèi)容：以結(jié)構(gòu)重量最輕為優(yōu)化目標(biāo)在线看片无码永久免费A、以規(guī)范要求為約束條件啪啪啪日本黄色网站,模特、使用遺傳算法編制了起重機(jī)臂架優(yōu)化設(shè)計(jì)計(jì)算程序，根據(jù)目前正在設(shè)計(jì)建造的和國(guó)內(nèi)已有的起重臂架結(jié)構(gòu)性欧美国产片，在對(duì)拔桿式臂架的尺寸及結(jié)構(gòu)形式進(jìn)行了充分討論研究的基礎(chǔ)上亚洲最大无码在线，提出相對(duì)合理的臂架結(jié)構(gòu)設(shè)計(jì)方案和設(shè)計(jì)思路。

However, ship designoptimization in present time mainly focuses on a few aspects, such as ship sectiondesign considering ship hull longitudinal strength, and ship section design oncontainer ships with large hatch, while structure optimization designs of jib armstructure of giant floating crane are comparatively few.

但縱觀目前船舶結(jié)構(gòu)優(yōu)化設(shè)計(jì)在线亚洲精品，大多集中在幾個(gè)方面九九视频精品，如考慮船體總縱強(qiáng)度特性的船體橫剖面優(yōu)化設(shè)計(jì)、具有大開(kāi)口截面特點(diǎn)的集裝箱類(lèi)橫剖面優(yōu)化設(shè)計(jì)等欧美日韩AⅤ精品视频。

Wild animals that can be only found or mainly distributed in China include golden-haired monkey, spotted deer, red-crowned crane, giant panda, Chinese alligator, giant salamander and wild two-humped camel.

有多種動(dòng)物為中國(guó)所特有或主要分布在中國(guó)欧美日在线观看黄片，如金絲猴、梅花鹿无码视频一区二区三区无码、丹頂鶴日本亚洲网站、大熊貓、揚(yáng)子小辣椒视频安卓版下载、大鯢欧美在线网址、野生雙峰駝等。

giant floe：巨型浮冰

giant crane 巨型起重機(jī) | giant floe 巨型浮冰 | giant floe 巨型浮筒

gib crane：扒桿起重機(jī),起重桿,吊桿

giant crane 巨型起重機(jī) | gib crane 扒桿起重機(jī),起重桿,吊桿 | gooseneck crane 鵝頸式起重機(jī)

giant knotweed：虎杖

giant crane 巨型起重機(jī) | giant knotweed 虎杖 | giant robot brain 大型自動(dòng)計(jì)算機(jī)