This long-term vision lay behind Apollo in the 1960s and also underpins Mr Musk's interplanetary vision.

NASA's programme to repeat many of the achievements of the Apollo era 50 years later,

美宇航局的这次计划也只不过是在重复50多年前的阿波罗计划的成果。

But a working prototype-let alone a new Apollo-style programme-is many years away.

但是造出一架可投入使用的原型机还需要许多年的时间，更不用说提出一项可与阿波罗计划相提并论的新航天计划了。

In early space programs, such as the Apollo missions of the 1960s and 1970s,

从20世纪60年代和70年代的阿波罗计划等早期太空计划，

The proposed Apollo programme would be an essential element.

拟议的阿波罗计划将是至关重要的一环。

A report entitled "A Global Apollo Programme to Combat Climate Change," written by a number of high-profile British scientists and economists, offers a bold answer.

由英国多位著名科学家和经济学家撰写、题为《应对气候变化全球阿波罗计划》（A Global Apollo Programme to Combat Climate Change）的报告，提出了一个大胆的解决方法。

Scenic spot is the core and space of tourist activities, the most important part of the tourism system, and the most main factors to attract tourists.

旅游景区是旅游活动的核心和空间，是旅游系统中最重要的组成部分，也是吸引旅游者出游的最主要因素。

Sustainable development must be based on tourist travel tourism system integrity, the long-term sustainability of the environment and sustainable supply of resources on the basis of capacity.

旅游的可持续发展必须建立在旅游系统完整、资源持续供给和环境长期持续可容纳的基础之上，人类的活动不应超越旅游环境系统的承载限量。

The fifth chapter is the empirical study of the spatial structural fractal of tourism system of Sichuan province and is the focal point in this paper.

这是本文研究的区域背景资料。第五章为四川省旅游景区（点）系统空间结构分形的实证研究。

Aim at these problems, this paper puts forward some related strategies and measures with the spatial structure optimization of tourism system of Dalian City.

针对这些问题，进一步提出大连市旅游系统空间结构优化的战略和措施。

Our agency was continuously awarded "Integrity Unit" and "Advanced Unit" in Heihe city tourism system competition.

连续多年在黑河市旅游系统评比中，被评为“诚信单位”、“先进单位”。

An Approaching for Forecasting the Attractivity of Regional Tourism System& A Case for Hubei South-East Region

区域旅游系统吸引力预测研究&以鄂东南地区旅游系统为例

Urban is the core of tourism system as being a main source of tourism, destination and dependent base in tourism development.

城市因是旅游开发的主要客源地、目的地和依托基地而成为区域旅游系统的核心。

Hotel Industry is the necessary part of Tourism System, and is interrelated to the country's strategy objective realization in future.

饭店业是旅游系统、旅游产业的一个不可缺少的组成部分。饭店业的发展与我国未来战略目标的实现息息相关，与国民经济发展过程中重大难题的解决思路密切相连。

Spatial Structure of Tourism System: A Spatial Model for Monopolistic Competition with Asymmetry

旅游系统的空间结构：一个具有不对称特点的垄断竞争的空间模型

A study on the collaborative relationship between economy-culture of tourism system

旅游业系统经济-文化特性协同关系研究

The market competitive state and its transference are proposed in the tourism system.

提出旅游业市场竞争态及其转移模型。

A Preliminary Study of Tourism System in Shanxi Province

山西省旅游系统初探

Empirical study on optimization for tourism system of the historical& cultural city

历史文化型城市旅游系统优化的实证研究

The market competitive form and market dynamic developing model in tourism system

旅游系统市场竞争态及市场动态发展模型

Diaphragm Travel Control System of Reciprocating Diaphragm Pump

隔膜泵隔膜行程控制系统