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Nikon AF Nikkor 80-200mm f/2.8D ED Lens
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Nikon AF Nikkor 80-200mm f/2.8D ED Lens# PhotoGear - 摄影器材
d*g
1
普通娃偷窥天才教育,窥到了几个概念。。。考虑怎样东尸效颦一下。。。
超前学
【 以下文字转载自 Dcbang_On_Education 俱乐部 】
发信人: dcbang (认真学习,不求结果,抗拒诱惑), 信区: Dcbang_On_Education
标 题: 超前学
发信站: BBS 未名空间站 (Thu Jan 12 12:49:45 2017, 美东)
The SMPY data supported the idea of accelerating fast learners by allowing
them to skip school grades. In a comparison of children who bypassed a grade
with a control group of similarly smart children who didn't, the grade-
skippers were 60% more likely to earn doctorates or patents and more than
twice as likely to get a PhD in a STEM field6. Acceleration is common in
SMPY's elite 1-in-10,000 cohort, whose intellectual diversity and rapid pace
of learning make them among the most challenging to educate. Advancing
these students costs little or nothing, and in some cases may save schools
money, says Lubinski. “These kids often don't need anything innovative or
novel,” he says, “they just need earlier access to what's already
available to older kids.”
Many educators and parents continue to believe that acceleration is bad for
children — that it will hurt them socially, push them out of childhood or
create knowledge gaps. But education researchers generally agree that
acceleration benefits the vast majority of gifted children socially and
emotionally, as well as academically and professionally7.
Skipping grades is not the only option. SMPY researchers say that even
modest interventions — for example, access to challenging material such as
college-level Advanced Placement courses — have a demonstrable effect.
Among students with high ability, those who were given a richer density of
advanced precollegiate educational opportunities in STEM went on to publish
more academic papers, earn more patents and pursue higher-level careers than
their equally smart peers who didn't have these opportunities8.
to
to
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W*t
2
used in excl condition for $700, is this a good buy? if so, is it a big deal
for no VR?
thanks
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d*g
3
我从前对教一年级娃太超前的东西不太感冒,还发贴子问过,冒似专家认为,只要能教
就该教!
当然了,人家是西施。自己是东施。
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x*0
4
no
pass
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x5
5
1 ring or 2 ring?

deal

【在 W********t 的大作中提到】
: used in excl condition for $700, is this a good buy? if so, is it a big deal
: for no VR?
: thanks

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W*t
6
what would be a good price? is no VR a big deal? thanks

【在 x**0 的大作中提到】
: no
: pass

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x*7
7
双环版本还可以吧,就是MF/AF切换环容易断
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x*0
8
no comment on the VR

【在 W********t 的大作中提到】
: what would be a good price? is no VR a big deal? thanks
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N*D
9
hard to use without vr for this long zoom

deal

【在 W********t 的大作中提到】
: used in excl condition for $700, is this a good buy? if so, is it a big deal
: for no VR?
: thanks

avatar
x*7
10
有依托还行

【在 N**D 的大作中提到】
: hard to use without vr for this long zoom
:
: deal

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W*t
11
not sure about one or two ring,here is the info:
MPN 1986ncp, JAA762DA, NIKON80200MMF28EDAF
UPC 018208019861
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x*0
12
太娇了
以前没VR的时候就没法拍照了?

【在 N**D 的大作中提到】
: hard to use without vr for this long zoom
:
: deal

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x5
13
变焦是推拉的还是转的
不清楚就贴照片好了

【在 W********t 的大作中提到】
: not sure about one or two ring,here is the info:
: MPN 1986ncp, JAA762DA, NIKON80200MMF28EDAF
: UPC 018208019861

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x*7
14
no pp?

【在 W********t 的大作中提到】
: not sure about one or two ring,here is the info:
: MPN 1986ncp, JAA762DA, NIKON80200MMF28EDAF
: UPC 018208019861

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x5
15
就是

【在 x**0 的大作中提到】
: 太娇了
: 以前没VR的时候就没法拍照了?

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W*t
19
ok, will do. any reason?

【在 x**0 的大作中提到】
: 我觉得可以pass了
:
: /250803189268?pt=Camera_Lenses&hash=item3a6508f614

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x*0
21
感觉crinkle finish都磨的光溜溜了

【在 W********t 的大作中提到】
: ok, will do. any reason?
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W*t
22
thanks, link for 看王大夫的贴子?
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x5
23
王大夫=x100

【在 W********t 的大作中提到】
: thanks, link for 看王大夫的贴子?
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W*t
24
I take one ring is better?
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x5
25
1 ring is older and cheaper

【在 W********t 的大作中提到】
: I take one ring is better?
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W*t
26
ic, thanks

【在 x5 的大作中提到】
: 1 ring is older and cheaper
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d*0
27
不如去FM上面买靠谱些
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x*7
28
本版神医的存货也可以考虑

【在 d*****0 的大作中提到】
: 不如去FM上面买靠谱些
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W*t
29
what is FM?
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