为什么婴儿睡着会哭 为什么婴儿睡着哭了

电池阵列,将太阳能转换为电能,多余的能量还会被储存起,由廉价的碳基化合物沉积在薄薄的弹性塑料板上就能制成，制造工艺和印刷报纸差不多。有机光电太阳能电池最大的问题是能量转换效率:它只能将6%的可见光转化为电能，而硅太阳能电池的效率则是18%。

中译名楼上几位讲的都很好。我额外补充几句吧。
Angela，源于希腊语，意思是“信使、上帝的信使”。
现也多用于教会拉丁语，同Angel、Angie是一类的词。

申请奖学金：美国奖学金一般有服务性奖学金和非服务性奖学金两个方面。服务类奖学金主要有研究基金（RA-ResearchAssistant）和助教基金（TA-TeachingAssistant）两个方面，申请TA的学生还需要准备TSE的口语考试。非服务性奖学金一般有全额奖学金（Fellow鄄ship）、部分奖学金（Scholarship）或者学费减免（TuitionWaiver）以及基金会奖学金(Grant)等等情况。

Applying for Stanford Fellowships and Assistantships
Departments determine the disposition of all funds for graduate fellowships and assistantships. Fellowship and assistantship decisions are considered concurrently with admissions decisions. If you are applying for a fellowship or assistantship, you should indicate this on the application form. Note: there is no separate application for these kinds of financial aid. Students may not apply to more than one department for admission or financial support. International students are considered with U.S. applicants for department fellowships and assistantships. There are no special funds to support international students.
U.S. citizens and permanent residents who are interested in area and language studies in East Asia, Latin America, Africa, and the republics of the former Soviet Union may request a Foreign Language and Area Studies (FLAS) fellowship application from the relevant area center.
Decisions on Awards
Decisions on awards of fellowships and assistantships are usually announced in March and April. Stanford is a signatory of the Council of Graduate Schools Resolution which states:
“ Acceptance of an offer of financial aid (such as graduate scholarship, fellowship, traineeship, or assistantship) for the next academic year by an actual or prospective graduate student completes an agreement which both student and graduate school expect to honor. In those instances in which the student accepts the offer before April 15, and subsequently desires to withdraw, the student may submit in writing a resignation of the appointment at any time through April 15. However, an acceptance given or left in force after April 15 commits the student not to accept another offer without first obtaining written release from the institution to which a commitment has been made. Similarly, an offer by an institution after April 15 is conditional upon presentation by the student of the written release from any previously accepted offer.”
Applying for Loans
Stanford student loan programs are administered through the Financial Aid Office or in the financial aid offices of the schools of Law, Business, and Medicine (M.D. program).
Federal long-term loans are available to U.S. citizens and permanent residents who qualify to help cover the costs of graduate study. When fellowships and assistantships are awarded, they usually cover only the student’s basic costs. Loans may be available to cover living expenses for dependents (including medical and childcare) or dissertation costs. However, loans do not cover consumer debt, moving expenses, or car payments and automobile insurance for amounts which exceed the Stanford budgeted transportation allowance.
You should carefully evaluate the indebtedness which would result from long-term borrowing. Loan programs have varying rates of interest and repayment schedules. Although you may normally defer loan payments while enrolled at Stanford, some loan programs will capitalize the deferred interest. Advisers in the Financial Aid Office and Internet tools can provide individual analysis of the effect of loans on future finances.
Requirements
The Federal Stafford and Perkins Loan Programs are major sources of loans for graduate students. Both programs permit repayment after completion of graduate study if continuous registration is maintained. Graduate students are also eligible for Unsubsidized Federal Stafford Loans and the private G.A.T.E. loan. Under these programs, payment of interest may begin accumulating immediately, although principal may be deferred and interest capitalized. Eligibility is based on:
1. Financial need, calculated according to Federal Methodology (FM)
2. Positive credit history
3. Satisfactory academic progress
4. Citizenship (must be U.S. citizen or permanent resident)

答案：
约等于6
解题：
294除以51等于5.76，根据四舍五入的规则，一个数精确到个位看这个数十分位上的数，十分位是7大于4，要进位，那么这个数约等于6