八个

The tetrad of megaspores was linear shaped, with one of them being functional.

锥栗胚胎为蓼型，功能大孢子发育成熟时共具有七个细胞八个细胞核，通过双受精作用，产生胚和胚乳，胚胎发育经历球形胚、心形胚、鱼雷形胚到子叶胚的过程。

The stone circle still had eight monoliths standing and four others buried under debris from History.

这个石圈的四个巨石，因为历史的原因被埋在废墟中，但是仍然还有八个耸立着，从前，这块地方肯定是地球用来中转的。

How can you find the ball that is heavier by using a balance and only two weighings?

你有八个球，其中7个重量完全相同，只有一个稍重一点，你怎么能用一个天平只称两次，从而找到那个稍重的球呢？

Raleigh China accomplished its first domestic expedition in Gansu Province in 2009; venturers from 17 provinces planted 60,000 saplings for poor families and trekked into Tengeli Desert for self-exploring. Raleigh Poyang Lake expedition 2010 will provide unique opportunities for Raleighians to serve and achieve while 2 eco-primary schools and 8 migrant bird watching huts will be built.

2009年，雷励中国带领来自全国17个省市的青年在甘肃完成了第一期国内远征，为贫困家庭义务培育6万株大果沙棘，并进入腾格里沙漠完成自我探索之旅；2010年，新的一批雷励人将踏上征途，去到江西鄱阳湖地区建设两所生态希望小学以及八个候鸟保护者看护棚，为当地的教育和环保贡献自己的力量，并积极发展自身潜能。

Berliners proudly point out each place where the Wall has been breached: eight celebrated holes in the ground where East-West tunnelers surfaced; the spot on the River Spree where 14 East Berliners turned pirate and steered an excursion boat to freedom.

柏林人自豪的指出每一个柏林墙被穿透的地点：从东到西的隧道挖掘者留在地面上的著名的八个洞，施普瑞河上14个东柏林人抢夺一艘船驶向自由的地点。

First it selects a 3×3 neighborhood.According to whether gray value of arbitrary pixel is its neighborhood's extremum,all pixels are divided into doubtful noises pixels and signal pixels.Then it constructs 8 templets of orientation gradient for each doubtful noise,makes the sure of the noises sets according to the magnitude of 8 values of orientation gradient.

该算法首先对含有噪声的图像取3×3邻域，判断某点是否为邻域极值将全部像素点分为可疑噪声与信号点集合；其次对每一个可疑噪声点在其3×3邻域内构造八个方向的梯度算子模板，通过比较8个方向梯度的大小，进一步确定其是否为噪声点；最后对噪声点进行邻域的中值滤波。

It is seven talers, not eight.

是七个银币，不是八个！

The IQ-boosting power of tutoring, meanwhile, may actually have less influence in small families, with parents of just two or three kids doing most of the teaching, than in the six- or eight-child family, in which the eldest sibs have to pitch in more.

同时，在小家庭中，最大的孩子给弟弟妹妹提供辅导中获得自身智力提升的效果要相对在六或八个孩子的大家庭要少，因为两三个孩子的父母自己会承担大部分的辅导工作。

Eight months in a while the first ITmit jumped up and exclaimed, If we'rego to HAs the constant bickering, I'm leaving.

八个月后，NO·1个隐士跳起来，嚷道：&假如咱们还要停止这种无休止的争论的话，我就离开这儿。&

California authorities have slapped an online site with a series of child-labor law violations for videotaping two of Nadya Suleman's octuplets without safeguards required to protect their health and safety.

一在线网站给苏莱曼八个孩子中的两个录象，而没有保安来保护他们的健康和安全。加利福利亚的官方已就童工法的违反给这一网站将了一军。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。