If a class denes mutable objects and implements a cmp or eq method, it should not implement hash, since the dictionary implementation requires that a key's hash value is immutable (if the object's hash value changes, it will be in the wrong hash bucket).

如果類定義的是可變對象并且實(shí)現(xiàn)了 cmp或 eq方法，它就不應(yīng)該實(shí)現(xiàn) hash黄色艹av区，因?yàn)樽值鋵?shí)現(xiàn)一個(gè)散列表的鍵值是不可變的(如果對象的散列值改變了欧美亚洲图片小说，它會(huì)放在錯(cuò)誤的散列表位置中)色就操在线视频。

Other people have dippers and they can get their dippers in your bucket. This, too, can be done in a million ways.

別人有舀水杯wwwA片网站国产，可以將它們放到你的桶里，而做到這一點(diǎn)的方式也數(shù)不勝數(shù)~级黄色视频高清视频。

Apparently the reason for the custom of ducking, dooking or bobbing for apples -- attempting to bite an apple floating in a bucket of water, or hanging from a string -- was that if a person managed to get a bite from an apple they would have good fortune.

顯然地免费三级视频网站，閃避，傾斜和擺動(dòng)蘋果性一级录像视频网站免费大全，嘗試咬住水中漂浮或用繩懸掛的蘋果的習(xí)俗是因?yàn)橐У教O果的人會(huì)交到好運(yùn)欧美综合色婷婷欧美综合五月。

Apparently the reason for the custom of ducking, dooking or bobbing for apples -- attempting to bite an apple floating in a bucket of water, or hanging from a string -- was that if a person managed to get a bite from an apple they would have good fortune.

蘋果顯然地，閃避av黄色在线观看免费，傾斜和擺動(dòng)蘋果国产一级激情免费视频，嘗試咬住水中漂浮或用繩懸掛的蘋果的習(xí)俗是因?yàn)橐У教O果的人會(huì)交到好運(yùn)。

4 For dredging works, only mechanical dredgers with bucket-type closed-grabs shall be used for the dredging of river bed or ponds.

進(jìn)行挖泥工程時(shí)1024色婬免费视频，只可使用密封抓斗式的機(jī)械挖泥機(jī)一级无遮挡真人毛片A片，以挖掘河床或塘底的淤泥。

This program is based on vc data acquisition interface procedures, it is the object of anti-bucket excavators.

本程序是基于vc++的數(shù)據(jù)采集界面程序A级黄色网站免费看，它的被控對象是反鏟斗液壓挖掘機(jī)国产操av。

Bucket hats, straw hats, and fedoras are also proving quite popular, if they are made of a cool, breathable material and decorated with an interesting fabric.

這種帽子能完美地幫你阻擋有害的太陽射線。如果是由涼快透氣的材料制成的斗帽亚洲欧美天堂在线、草帽和軟呢帽丝袜AV观看一区，加上一些有趣的裝飾品，是非常受歡迎的欧美又大又粗一区二区。

Demonstrate how to lift and carry a bag of horse feed, a bucket of water, a hay bale

10.1演示安全舉起偷拍视频无码，搬動(dòng)重物的步驟：一袋飼料国产WWWWW免费在线观看，一桶水亚洲色欲综合网在线观看A，一捆草

He replies contemptuously "there was a fire and a bucket of water: a solution obviously existed."

他的輕蔑地答復(fù)&有一個(gè)火災(zāi)和一桶水：一個(gè)解決方案顯然是存在的&欧美一级视频网站免费在线观看。

My mother put a small piece of dough into a bucket near the fire and covered it with a white cloth.

我的母親把一小塊面團(tuán)放在一個(gè)火爐邊的小桶里桶，用一塊白布覆蓋它成年无码av网站天堂网。